Home Physics Electrostatics Potential & Capacitance NCERT Examplar Figure shows some equipotential lines distri…
Physics Electrostatics Potential & Capacitance NCERT Examplar MCQ (Single Correct)

Figure shows some equipotential lines distributed in space. A charged object is moved from point A to point B.

A
The work done in Fig. (i) is the greatest
B
The work done in Fig. (ii) is least
C
The work done is the same in Fig. (i), Fig. (ii) and Fig. (iii)
D
The work done in Fig. (iii) is greater than Fig. (ii) but equal to that work done in fig (i)

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Text Solution

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The correct answer is:
C

The work done by a electrostatic force is given by . Here initial and final potentials are same in all three cases and same charge is moved, so work done is same in all three cases.

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