A point charge of 10-9 C is placed at a point A in the free space. The potential difference between two points 20 cm and 10 cm away from the charge at A will be

A point charge of 10-9 C is placed at a point A in the free space. The

1.	A point charge of 10-9 C is placed at a point A in the free space. The potential difference between two points 20 cm and 10 cm away from the charge at A will be
A.	40 V
B.	45 V
C.	50 V
D.	55 V
Answer» C. 50 V

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A point charge of 10-9 C is placed at a point A in the free space. The potential difference between two points 20 cm and 10 cm away from the charge at A will be

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