JEE Main · PhysicsHard
A receiver is connected to an antenna with an effective aperture of $A_e = 5 \text{ m}^2$. If the incident power density of the electromagnetic wave is $S = 10 \text{ } \mu\text{W/m}^2$, what is the power received $P_r$?
- A.50 micro-watts
- B.2 micro-watts
- C.500 micro-watts
- D.0.5 micro-watts
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Correct answer: A — 50 micro-watts
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