Work done by an external agent Smith against electrostatic field of +Q in bringing a charge of 1C from reference point R to a point B via C and then via D is measured to be 10 J and 20 J in two different observations. Is Mr. Smith lying?

Yes

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Solution

The correct option is A Yes
Yes Mr. Smith is surely lying. Why is that?
Because the work done by external agent against the conservative field does not depends upon the path. If the final configuration achieved is the same, work done by/against the field is same.

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Work done by an external agent Smith against electrostatic field of +Q in bringing a charge of 1C from reference point R to a point B via C and then via D is measured to be 10 J and 20 J in two different observations. Is Mr. Smith lying?

The correct option is A YesYes Mr. Smith is surely lying. Why is that? Because the work done by external agent against the conservative field does not depends upon the path. If the final configuration achieved is the same, work done by/against the field is same.

The correct option is A Yes
Yes Mr. Smith is surely lying. Why is that?
Because the work done by external agent against the conservative field does not depends upon the path. If the final configuration achieved is the same, work done by/against the field is same.