Electrostatics Question 731

Question: A loop of diameter d is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is measured to be ϕ. What is the electric field strength?

Options:

A) 4ϕπd2

B) 2ϕπd2

C) ϕπd2

D) πϕd24

Show Answer

Answer:

Correct Answer: A

Solution:

[a] ϕ=EAcos0=E×πd24,E=4ϕπd2



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