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5 Cards in this Set
- Front
- Back
State Coulombs Laws |
F ⇒ Qq F ⇒ 1/r² |
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what is ε (the permittivity of an imsulator) equal to |
ε = εᵣ x εₒ |
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what is the work done on an electron |
work done = Vq or Ve where V = voltage where q or e = charge of an electron |
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Define electric field strength |
Force per unit posotive charge |
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Figure 6 shows a current through a wire, how would you work out the direction of the magnetic field at points A and B |
You would use the right hand grip rule, where the fingers represent the field lines direction and the thumb represent the current direction |