D.2 Electric and magnetic fields
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Last updated 4:45 PM on 8/26/25
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8 Terms
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What is Conservation of Charge?
When the sum of currents flowing into the junctions equals the sum of currents flowing out.
2
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What are the ways of transferring charge?
Friction, Contact & Electrostatic induction
3
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When is charged conserved?
In a closed system
4
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What is the Inverse square law according to Coulomb?
The force between two point charges a distance apart is poroportional to 1/rˆ2
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What is electric charge?
force acting on a positive test charge/ magnitude of test charge
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What are the units for electric field strength?
N Cˆ-1
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what is electric field strength?
The force per unit charge experienced by a small positive charge placed at that point.
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Note 
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