In a certain region of space, there exists a uniform electric field of value 20×102k^Vm−1. A rectangular coil of dimension 10 cm x 20 cm is placed in the xy plane. The electric flux through the coil is
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a
zero
b
30 Vm
c
40 Vm
d
50 Vm
answer is C.
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Detailed Solution
Given : E→=2000k^Vm-1 and A→=10×20×10−4k^m2 ⇒ϕ=E→⋅A→=40Vm