charging objects how do charges move from one place to another?
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Charging Charging ObjectsObjects
How do charges move How do charges move from one place to from one place to another?another?
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Where Does Electric Where Does Electric Charge Come From? Charge Come From? • Well it comes from all matter, but Well it comes from all matter, but
only from specific areas of matteronly from specific areas of matter
**Negative charges**Negative charges
**Positive charges**Positive charges
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Charges Can Exert ForcesCharges Can Exert Forces
• A charged object can exert a A charged object can exert a force—force—aa push orpush or pullpull—on other —on other charged objectscharged objects
**Like charges repel and opposite **Like charges repel and opposite charges attractcharges attract
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Electrical Force and Electrical Force and Electrical Field Electrical Field • Electric ForceElectric Force: the force : the force
between charged objectsbetween charged objects
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Magnetic Fields like Magnetic Fields like Electrical Fields? Electrical Fields? • Just like magnetic fields, Just like magnetic fields,
electrical fields exist around a electrical fields exist around a charged particlecharged particle
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How Do Objects Acquire A How Do Objects Acquire A Charge? Charge?
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FrictionFriction• While rubbing two objects together, While rubbing two objects together,
electrons can be “wiped” from one electrons can be “wiped” from one object and transferred to the otherobject and transferred to the other
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ConductionConduction
• When electrons are transferred from When electrons are transferred from one object to another by direct contactone object to another by direct contact
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InductionInduction
• When charges in an uncharged object When charges in an uncharged object are rearranged without direct contact are rearranged without direct contact with a charged objectwith a charged object