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1. A -140 μC charge is located 60 mm from a point we will designate as...

1. A -140 μC charge is located 60 mm from a point we will designate as G and is 30mm from a point we will designate as H.
a) What is the electrical potential difference between the two points (G and H)?
b) If a charge of +15 μC is moved from the point G to the point H, what is the work done by the electric field?

2. Determine the resistance of a motor which operates at a power level of 200 Watts from a power source of 220 Volts?

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