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SNC 1DI Electricity Review

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Page 1: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

SNC 1DIElectricity Review

Page 2: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Fill in the Blank

Page 3: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Charging by __________ causes electrons in a neutral object to move.

Page 4: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Charging by friction causes electrons in a neutral object to move.

Page 5: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A(n) __________ is a material that prevents the flow of current.

Page 6: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A(n) insulator is a material that prevents the flow of current.

Page 7: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

In a series circuit, a light bulb is referred to as the ________.

Page 8: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

In a series circuit, a light bulb is referred to as the load.

Page 9: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

The opposite of static electricity is ____________.

Page 10: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

The opposite of static electricity is current electricity.

Page 11: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

The name of the instrument used to measure static electricity is a(n) ___________________.

Page 12: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

The name of the instrument used to measure static electricity is a(n) electroscope.

Page 13: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Lightning is created by ______________________.

Page 14: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Lightning is created by induced charge separation.

Page 15: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Charged objects attract neutral objects, opposite charges attract, and same charges repel are the three postulates of the ____________________.

Page 16: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Charged objects attract neutral objects, opposite charges attract, and same charges repel are the three postulates of the law of electrical charges.

Page 17: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

To measure the amount of electrons moving past a point in a circuit you would need to use a(n) ____________.

Page 18: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

To measure the amount of electrons moving past a point in a circuit you would need to use a(n) ammeter.

Page 19: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Potential difference is measured using a(n) _____________ in units of ________________.

Page 20: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Potential difference is measured using a(n) voltmeter in units of Volts.

Page 21: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Connecting wire, a load, an energy source and a(n) _____________ are the four components of a circuit.

Page 22: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Connecting wire, a load, an energy source and a(n) switch are the four components of a circuit.

Page 23: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

True or False

Page 24: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Tap water is a good insulator of electricity because it contains dissolved salts and charged particles.

Page 25: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Tap water is a good insulator of electricity because it contains dissolved salts and charged particles.

False

Page 26: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

In charging by induction, electrons are transferred between the objects.

Page 27: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

In charging by induction, electrons are transferred between the objects.

False

Page 28: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Static electricity refers to the movement of electrons in a closed path.

Page 29: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Static electricity refers to the movement of electrons in a closed path.

False

Page 30: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

When the thickness of a wire increases, the resistance of the wire decreases.

Page 31: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

When the thickness of a wire increases, the resistance of the wire decreases.

True

Page 32: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

An ammeter must be connected in parallel with a circuit to take accurate readings.

Page 33: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

An ammeter must be connected in parallel with a circuit to take accurate readings.

False

Page 34: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

The wires in the heating element of a hair dryer have relatively high resistance.

Page 35: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

The wires in the heating element of a hair dryer have relatively high resistance.

True

Page 36: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Similarities/Differences

- describe similarities/differences between each pair

Page 37: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

static electricity, current electricity

Page 38: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

static electricity, current electricity

-Both involve electrons

-Static electricity is an imbalance of charge at rest

-Current electricity is the movement of electrons in a circuit

Page 39: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

insulator, conductor

Page 40: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

insulator, conductor

- Both are used to affect the flow of electrons

- Insulators restrict the flow of electrons- Conductors allow the flow of electrons

Page 41: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

series circuit, parallel circuit

Page 42: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

series circuit, parallel circuit

-both are pathways that involve the flow of electrons-series circuit has only one path for electrons-parallel circuit has 2 or more paths for the flow of electrons

Page 43: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

ammeter, voltmeter

Page 44: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

ammeter, voltmeter

- Both are used to measure electron in a circuit

- Ammeter measures current in Amperes- Voltmeter measures potential difference in Volts

Page 45: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

charging by contact, induction

Page 46: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

charging by contact, induction

-both are methods to charge objects-in contact the object is touched by a charged object-in induction the object is not touched by a charged object

Page 47: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

lightning, grounding

Page 48: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

lightning, grounding

-both are attempts to neutralize-in lightning, electrons strike the ground in order to neutralize the ground-when any object is grounded, extra electrons are either pulled from the ground or pushed to the ground to neutralize the object

Page 49: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Multiple choice

Page 50: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following materials would make the best insulator?a) pure waterb) wooden pegc) iron naild) copper wire

Page 51: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following materials would make the best insulator?a) pure waterb) wooden pegc) iron naild) copper wire

Page 52: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following is an example of charging by induction?a) static cling on clothesb) attracting paper with a charged rodc) rubbing a balloon on a sweaterd) charging an electroscope by touching it

Page 53: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following is an example of charging by induction?a) static cling on clothesb) attracting paper with a charged rodc) rubbing a balloon on a sweaterd) charging an electroscope by touching it

Page 54: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Neutral objects can become charged by

a) gaining or losing neutrons

b) gaining or losing protons

c) gaining or losing electrons

d) gaining or losing protons, neutrons, or electrons

Page 55: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Neutral objects can become charged by

a) gaining or losing neutrons

b) gaining or losing protons

c) gaining or losing electrons

d) gaining or losing protons, neutrons, or electrons

Page 56: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which factor best explains why lightning strikes the ground?

a) metals conduct the current electricity to the ground

b) friction between the cloud and the ground

c) electrostatic discharge between cloud and Earth

d) charging by friction and direct contact

Page 57: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which factor best explains why lightning strikes the ground?

a) metals conduct the current electricity to the ground

b) friction between the cloud and the ground

c) electrostatic discharge between cloud and Earth

d) charging by friction and direct contact

Page 58: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following refers to the path along which electrons can flow?a) circuitb) currentc) potential differenced) resistance

Page 59: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following refers to the path along which electrons can flow?a) circuitb) currentc) potential differenced) resistance

Page 60: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which device is used to measure the potential difference across a load?a) ammeterb) ohmmeterc) voltmeterd) circuit breaker

Page 61: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which device is used to measure the potential difference across a load?a) ammeterb) ohmmeterc) voltmeterd) circuit breaker

Page 62: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following units is used to measure current?a) amperesb) voltsc) wattsd) joules

Page 63: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Which of the following units is used to measure current?a) amperesb) voltsc) wattsd) joules

Page 64: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

Diagrams

Page 65: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw and explain how you can create an induced charge in a neutral electroscope by using a piece of fur and ebonite rod.

BEFORE DURING AFTER

Page 66: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw and explain how you can create an induced charge in a neutral electroscope by using a piece of fur and ebonite rod.

Page 67: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw and explain how you can create a permanent charge in a neutral electroscope by using a piece of fur and ebonite rod.

BEFORE DURING AFTER

Page 68: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw and explain how you can create a permanent charge in a neutral electroscope by using a piece of fur and ebonite rod.

Page 69: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw and explain how an induced separation charge forms and how a lightning bolt occurs.

Page 70: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw and explain how an induced separation charge forms and how a lightning bolt occurs.

Page 71: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw a series circuit that has 4, 1.5 V cells, 3 light bulbs, 1 ammeter between light 2 and 3, 1 voltmeter across light three and one switch.

Page 72: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw a series circuit that has 4, 1.5 V cells, 3 light bulbs, 1 ammeter between light 2 and 3, 1 voltmeter across light three and one switch.

Page 73: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw a circuit that has 1, 1.5 V cell, 3 light bulbs and 1 motor in parallel, each with a switch that controls each item and a voltmeter that measures the potential difference of the motor.

Page 74: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

With use of a diagram, draw a circuit that has 1, 1.5 V cell, 3 light bulbs and 1 motor in parallel, each with a switch that controls each item and a voltmeter that measures the potential difference of the motor.

Page 75: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

CalculationsShow FULL solutions!

Page 76: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A current of 0.50 A flows through a light bulb, when a potential difference of 120 V is placed across the light bulb. What is the resistance of the light bulb?

Page 77: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A current of 0.50 A flows through a light bulb, when a potential difference of 120 V is placed across the light bulb. What is the resistance of the light bulb?

GivenI = 0.5 A R = VV = 120 V IWant = 120VR = ? 0.5 A

= 240 Ω

Page 78: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A colour television has a resistance of 80 Ω. How much current passes through the television when it is plugged in to a 120 V wall socket?

Page 79: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A colour television has a resistance of 80 Ω. How much current passes through the television when it is plugged in to a 120 V wall socket?

GivenR = 80 Ω I = VV = 120 V RWant = 120 V I = ? 80Ω

= 1.5 A

Page 80: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A toaster connected to a 110 V power source has 6.0 A of current flowing through it. How much power is dissipated as heat?

Page 81: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

A toaster connected to a 110 V power source has 6.0 A of current flowing through it. How much power is dissipated as heat?

GivenV = 110 V P = V x II = 6.0 A = 110 V x 6.0 AWant = 660 WP = ?

Page 82: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

How much energy does the motor of a 615 W refrigerator use in one day, if it runs for 14 hours a day?

Page 83: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

How much energy does the motor of a 615 W refrigerator use in one day, if it runs for 14 hours a day?

Givent = 14 hours x 60 min/hour x 60 s/min = 50 400 sP = 615 WWantE = ?

E = P x t = 615 W x 50400 s = 30 996 000 J

Page 84: SNC 1DI Electricity Review. Fill in the Blank Charging by __________ causes electrons in a neutral object to move

That’s it!!

Good Luck!!