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Q.

There is an electric field in +X-direction. If the work done in moving a charge of 0.2C through a distance of 2m along a line making an angle of 600 with +X-axis is 4J. The value of E is

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a

4NC−1

b

20NC−1

c

3NC−1

d

5NC−1

answer is D.

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Detailed Solution

W=Fscosθ=qEcosθ

4=0.2Ecos6002 E=20 N/C

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