The electric potential energy of two point charges is U. When we double the magn

Question

The electric potential energy of two point charges is U. When we double the magnitude of each charge and double a distance between them, then the energy of the charges will be %U 1/2 U U 2U 4U If two point charges q and -q are located at opposite carriers of a square what can be and about the potential and at unoccupied corners A and B: The electric potential will be different in the centre of the square than at points A and B There will be no voltage between points and A and B The work done electric force on -1C charge along diagonal AB will be positive. The work done electric force on -1C charge along diagonal AB will be negative.

Explanation / Answer

1) 2U

2) There will be no voltage between points a and B

3) The work done along all 3 paths is same .

4) False

5) Electric field is uniform and points to left .

6)   D

7) B and C

8) both increase operating voltage and increase capacitance .

9) A

10) connect them in parallel .

11) zero

12) turkey .

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