Question
Maximum power loss across the circuit can be.......$W$
✓
Answer
Powerless across circuit is maximum when
$\mathrm{R}=\mathrm{X}_{\mathrm{L}}=10\, \Omega$
${P_{\max }} = \frac{{V_{rms}^2}}{{2R}} = \frac{{V_0^2}}{{4R}} = \frac{{{{(20)}^2}}}{{4 \times 10}} = 10{\mkern 1mu} {\rm{W}}$
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