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Question

If the electric flux through a surface of area 100 m2 lying in the xy plane is pq Vm then find pq. Given E=^i+2^j+3^k

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Solution

We know that electric flux is:
ϕ=E.S
Given E=^i+2^j+3^k
S=100 m2^k
ϕ=(^i+2^j+3^k).(100^k)
=1003 Vm
From questtion ϕ=(pqVm)
By comparing, we get
p=100 and q=3
Hence, pq=300.

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