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Magnetism

Question 1

The following metals are magnetic (NCIS)

A Nickel and Copper B Nickel and GoldC Nickel and CobaltD Nickel and Silver

Answer

A Nickel and Copper B Nickel and GoldC Nickel and CobaltD Nickel and Silver

£100

Question 2

The following metals are magnetic (NCIS)

A Iron and SteelB Iron and SilverC Iodine and SteelD Iron and Sulphur

Answer

A Iron and Steel B Iron and Silver C Iodine and SteelD Iron and Sulphur

£200

Question 3

Magnetic feld lines go from:

A North to South

B South to NorthC Up

D Down

Answer

A North to South

B South to NorthC Up

D Down

£300

Question 4

A Compass points to the Earth’s North Pole because:

A it is broken

B there is a wind

C the tide is high

D earth has a magnetic field around it

Answer

A it is broken

B there is a wind

C the tide is high

D earth has a magnetic field around it

£500

Question 5

The shape of the magnetic field of earth and the bar magnet is similar

to:

A a pattern of a bird

B a pattern of a butterfly

C a pattern of a cat

D a pattern of a beetle

Answer

A a pattern of a bird

B a pattern of a butterfly

C a pattern of a cat

D a pattern of a beetle

£1,000

Question 6

A north-pole of a magnet is brought close the north-pole

of a second magnet:

A they attractB nothing happensC it breaksD they repel

Answer

A they attractB nothing happensC it breaksD they repel

£2,000

Question 7

A north-pole of a magnet is brought close the south-pole

of a second magnet:

A nothing happensB they repelC they attractD none of the above

Answer

A nothing happens B they repelC they attractD none of the above

£4,000

Question 8

When we studied magnets we learnt:

A Like poles repelB Like pole attractC Unlike poles repelD non of the above

Answer

A Like poles repel B Like poles attractC Unlike poles repel

D non of the above

£8,000

Question 9

When we studied magnets we learnt:

A Unlike poles repel

B Unlike poles attractC Like poles attractD None of the above

Answer

A Unlike poles repelB Unlike poles attractC Like poles attractD None of the above

£16,000

Question 10

We can make an electromagnet using:

A insulated copper wire, steel nail and a battery

B insulated copper wire, steel nail and a magnet

C insulated copper wire, iron nail and a battery

D glass, steel nail and a battery

Answer

A insulated copper wire, steel nail and a

battery

B insulated copper wire, steel nail and a

magnet

C insulated copper wire, iron nail and a battery

D glass, steel nail and a battery

£32,000

Question 11

When an electromagnet is switched off;

A it becomes a stronger magnet

B it is still a magnet

C it is not a magnet anymore

D none of the above

Answer

A it becomes a stronger magnet

B it is still a magnet

C it is not a magnet anymore

D none of the above

£64,000

Question 12

An iron core (nail) placed inside the coil of an

electromagnet make the magnet;

A weaker B strongerC stop workingD none of the above

Answer

A weakerB strongerC stop workingD none of the above

£125,000

Question 13

You can make the electromagnet stronger by:

A adding more turns to the coilB removing turns from the coil

C removing the nail

D none of the above

Answer

A adding more turns to the coil

B removing turns from the coil

C removing the nail

D none of the above

£250,000

Question 14

You can make the electromagnet stronger by:

A switching the power supply off

B making the power lower in the power supply

C removing some batteries

D Adding more batteries

Answer

A switching the power supply off

B making the power lower in the power supply

C removing some batteries

D Adding more batteries

£500,000

Question 15

A can be turned off or on

B can be made stronger

C can be made weakerD all of the above

Electromagnets:

Answer

A can be turned off or on

B can be made stronger

C can be made weaker

D all of the above

£1,000,000