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As area increases, what happens to electric flux density?(a) Increases(b) Decreases(c) Remains constant(d) Becomes zeroThis question was posed to me in final exam.My question is from Electric Field Strength and Electric Flux Density topic in section Capacitance and Capacitors of Basic Electrical Engineering

Answer» CORRECT option is (b) Decreases

The best I can explain: Electric flux density is the CHARGE per UNIT area. The EXPRESSION for flux density is:

D=Q/A. Electric flux is inversely PROPORTIONAL to area, hence an area increases, electric flux decreases.


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