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Electric field at a distance x from the ...

Electric field at a distance x from the origin is given as `E =(100N-m^2//C)/x^2` . Then potential difference between the points situated at x = 10 m and x = 20m is :-

A

5 V

B

10 V

C

15 V

D

4V

Text Solution

Verified by Experts

The correct Answer is:
A
`V_10-V_20`
`V_10-V_20=-underset20overset10int (100/x^2)dx`
= 5 volt
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