MCQ
The current in resistance $R$ at resonance is


- Azero
- Bminimum but finite
- ✓maximum but finite
- Dinfinite

$\Rightarrow R$ and current is maximum but finite, which is $I_{max} = \frac {E}{R}$, where $E$ is applied voltage.
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Currents $r.m.s.$ values
(1)${x_0}\sin \omega \,t$ (i)$ x_0$
(2)${x_0}\sin \omega \,t\cos \omega \,t$ (ii)$\frac{{{x_0}}}{{\sqrt 2 }}$
(3)${x_0}\sin \omega \,t + {x_0}\cos \omega \,t$ (iii) $\frac{{{x_0}}}{{(2\sqrt 2 )}}$
