A source is radiating power equally in all directions. If source power – McqOptions

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1.	A source is radiating power equally in all directions. If source power is P, the power density at distance d is
A.	<img src="/_files/images/electronics-and-communication-engineering/communication-systems/508-292-1.png">
B.	<img src="/_files/images/electronics-and-communication-engineering/communication-systems/508-292-2.png">
C.	<img src="/_files/images/electronics-and-communication-engineering/communication-systems/508-292-3.png">
D.	<img src="/_files/images/electronics-and-communication-engineering/communication-systems/508-292-4.png">
Answer» B. <img src="/_files/images/electronics-and-communication-engineering/communication-systems/508-292-2.png">

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