MCQ
The pointer of a dead-beat galvanometer gives a steady deflection because
- ✓Eddy currents are produced in the conducting frame over which the coil is wound
- BIts magnet is very strong
- CIts pointer is very light
- DIts frame is made of abonite
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$I = 10\,\sin \,\omega t$ ; $V = 10\,\sin \,\left( {\omega t + \pi /4} \right)$
then which of the following element may be present in the circuit
$(a)$ Only $C$ $(b)$ All $L, C$ and $R$ $(c)$ Both $C$ and $R$ $(d)$ Both $L$ and $R$
