Physics - EMI/AC Question with Solution | TestHub

$i=5\sqrt{2}+10\cos \left(650\pi t+\frac{\pi }{6}\right)$
${\mathrm{i}}^2=50+100{\cos }^2\left(650\pi \mathrm{t}+\frac{\pi }{6}\right)$
$+(2)(5\sqrt{2})(10)\cos \left(650\pi t+\frac{\pi }{6}\right)$
$⟨{\mathrm{i}}^2⟩=50+\frac{100}{2}+0$
$<{\mathrm{i}}^2⟩=100$
$<\mathrm{i}>=10\mathrm{Amp}$