List of top Physics Questions on applications of diode asked in MET

In the circuit shown, diode has \(20\Omega\) forward resistance. When \(V_i\) increases from \(8V\) to \(12V\), change in current is \(x\,mA\). Find \(x\).

What is the current through the circuit and the potential difference across the diode shown in the figure. The drift current for the diode is \(30\,\mu A\).

The effect of reverse bias in a junction diode on its potential barrier is:

A diabetic person carries a packet of glucose with him always, because

In a common emitter amplifier, the phase difference between input and output voltage is: