Home Physics Electrostatics Potential & Capacitance Mix Point charge moves from point to point al…
Physics Electrostatics Potential & Capacitance Mix MCQ (Single Correct)

Point charge moves from point to point along the path (figure shown) in a uniform electric field pointing coparallel to the positive direction of the axis. The coordinates of the points and are and respectively. The work done by the field in the above process is given by the expression

A
B
C
D

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The correct answer is:
B

As electric field is a conservative field Hence the work done does not depend on path

∴ ∴

= Fb cos 90 o + Fa cos 180 o = 0 + qEa (– 1)= – qEa

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