When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the

When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the antenna is 

 (A) 0.89159% (B) 8.9159% (C) 89.159% (D) 891.59%
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Answer :

When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the antenna is 89.159%

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