1. No work is done by the electric field in moving a charge on a conducting surf

ID: 2242089 • Letter: 1

Question

1. No work is done by the electric field in moving a charge on a conducting surface. True/ False?

2. If you double the length of a wire, you will (double/Triple/ or Half) the resistance of the wire??

3. What would be the new resistance in terms of R if the current is half and the same voltage is used? 2R, R, or 1/2 R ??

4. If the resistance of a bulb is R, what will be the equilivant resistance in terms of R of the three bulbs connected in series? 3 R, R, or 1/3 R ??

5. to assure the same current is available to all devices, my house is wired in series or parallel?

6.In parallel circuits as as light bulbs are added then the current at the battery increases/decreases, or stays the same?

7.Geographic south pole is north/south/ or neutral magnetic pole?

8. Unless the bar magnet moves back and forth relative to the coil, voltage is not induces in the coil? true/false?

9. as the number of loops in the coil (decreases/increases), the magnetic feild strength of the electromagnet increase. Which one in ().

1.True

2.double

3.2R

4.3R

5.Series

6increases

7.North

8.true

9.increases

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