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Question

Figure shows the field lines of a point negative charge. In going from B to A, the kinetic energy of a small negative charge will:
944742_c315e509d6af4882b1d06fd0e17b6f5b.png

A
increase
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B
decrease
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C
remains constant
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D
data insufficient
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Solution

The correct option is C decrease
Due to force of repulsion on the negative charge, velocity decrease and hence the kinetic energy decreases in going from B to A.

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