When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then

When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then its efficiency will be nearly 

 (A) 0.19 (B) 0.81 (C) 0.97 (D) 1.19
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When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then its efficiency will be nearly 0.81

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