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The power reflected by a wave with incident power of 16 units is(Given that the reflection coefficient is 0.5)(a) 2(b) 8(c) 6(d) 4I had been asked this question in an interview.I'm obligated to ask this question of Power, Power Loss and Return Loss topic in division EM Wave Propagation of Electromagnetic Theory

Answer»

Correct option is (d) 4

Explanation: The fraction of the REFLECTED to the incident power is given by the reflection COEFFICIENT. Thus Pref = R^2xPinc. On substituting the given data, we get Pref = 0.5^2 X 16 = 4 units.



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