MCQ
A transistor cannot be used as an
- AAmplifier
- BOscillator
- CModulator
- ✓Rectifier
A transistor cannot be used as a Rectifier.
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$\phi \, = \,10{t^2}\, - \,50t\, + 250$. The induced $emf$ at $t = 3\,s$ is.......$V$
