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Power density is basically termed as ________ power per unit area.

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Power density is basically termed as ________ power per unit area.

(a) Reflected

(b) Refracted

(c) Radiated

(d) Diffracted

This question was posed to me in a national level competition.

My question is based upon Scattering in portion Mobile Radio Propagation: Large – Scale Path Loss of Wireless/Mobile

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The correct answer is (c) Radiated

The best I can explain: Power density is the amount of power (time rate of energy transfer) per unit volume. It is also termed as radiated power per unit area. In energy transformers including batteries, fuel cells, motors, etc., power density refers to a volume. It is then also called volume power density.

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