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Question

A, B, C, D, P and Q are points in a uniform electric field. Thee potentials at these points are V(A)=2V.V(P)=V(B)=V(D)=5V.V(C)=8V. . The electric field at P is
1018982_af16f3a6691e48b18a641d082f7f81a7.PNG

A
10Vm1along PQ
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B
152Vm1along PA
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C
5Vm1along PC
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D
5Vm1along PA
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Solution

The correct option is B 152Vm1along PA

V(A)=2V
V(P)=V(B)=V(d)=5V
V(C)=8V
There will be no electric field along BPD because all the are at same potential so, potential difference is zero
The electric field will only be along APC
Potential difference along APC=V(C)V(A)
=82
=6V
Distance AC=0.22m
Electric field along APC=VAC
=6022=302
[E=152V/m]
Hence option (B) is correct

960613_1018982_ans_1bff103833774d14a9effb62f7c542c9.jpg

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