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As charge increases, what happens to flux density?

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As charge increases, what happens to flux density?

(a) Increases

(b) Decreases

(c) Remains constant

(d) Becomes zero

I have been asked this question during an internship interview.

My query is from Electric Field Strength and Electric Flux Density topic in chapter Capacitance and Capacitors of Basic Electrical Engineering

1 Answer

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Best answer
The correct answer is (a) Increases

The explanation: Electric flux density is the charge per unit area. The expression for flux density is:

D=Q/A. Electric flux is directly proportional to charge, hence as charge increases, electric flux also increases.

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