List of top Physics Questions on Semiconductors asked in TS EAMCET

If the barrier potential of the diode shown in the given circuit is \(0.7\,\mathrm{V}\), then the value of the resistance \(R\) is

In a common emitter amplifier, when the base to emitter voltage changes by \(20\,\mathrm{mV}\), the change in collector current is \(3\,\mathrm{mA}\). If the output resistance is \(4\,\mathrm{k\Omega}\), then the voltage gain of the amplifier is

When the input voltage given to the combination of two common emitter amplifiers connected in series is \(20\ mV\), then the output voltage is \(30\ V\). If the voltage gain of one amplifier is \(25\), then the voltage gain of the other amplifier is