Question

only third one plz guys​

Answer 1

Answer:

hi

Explanation:

Potential difference between any two points is defined as the amount of work done in moving a unit charge from one point to another.

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Answer 2

Explanation:

1) Potential difference between two points is defined as the work done to move a unit positive test charge across two points.

V = W / q

2) Work Done, W = QV

W = 20 x 15 = 300J