(A) : An electrostatic field line never form closed loop.
(R) : Electrostatic field is a conservative field.

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Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.

Both ‘A’ and ‘R’ are true and ‘R’ is not the correct explanation of ‘A’

‘A’ is true and ‘R’ is false

‘A’ is false and ‘R’ is false

answer is B.

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Detailed Solution

For forming a closed loop, these lines must originate and end on the same charge which is impossible. The electric field lines start from the positive charge and terminate on the negative charge.

Electrostatic field is a conservative field which means work done by an electrostatic field in moving a charge from one point to another depends only on the initial and the final positions and is independent at the path taken to go from one point to the another.

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