List of top Physics Questions on Electronics asked in UP Board XII

Compare the features of (i) forward biased and (ii) reverse biased p-n junction. Mention the nature of biasing in solar cell.
Why LED is kept in forward biased condition?
Explain the working of oscillating process of a transistor, with the help of circuit diagram.
Explain the full-wave rectification process of p-n junction diode, with the help of a circuit diagram.
With the help of symbol diagram of AND gate, prepare its truth table.