The average power delivered to an impedance 4 − j 3 Ω by a current 5Cos(100πt + 100) Ampere is

The average power delivered to an impedance 4 − j 3 Ω by a current 5Cos(100πt + 100) Ampere is A) 44.2 W B) 50 W C) 62.5 W D) 125 W
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The average power delivered to an impedance 4 − j 3 Ω by a current 5Cos(100πt + 100) Ampere is 50 W

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