An \( \mathrm{AC} \) generator of \( 220 \mathrm{~V} \) having inte...

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An \( \mathrm{AC} \) generator of \( 220 \mathrm{~V} \) having internal
\( \mathrm{P} \) resistance \( r=10 \Omega \) and external resistance

W \( R=100 \Omega \). What is the power developed in the external circuit
(1) \( 484 \mathrm{~W} \)
(2) \( 400 \mathrm{~W} \)
(3) \( 441 \mathrm{~W} \)
(4) \( 369 \mathrm{~W} \)
\( \theta \)
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