Explain the working of SONAR.

Explain the working of a zener diode as a voltage regulator.

Explain the working of a forward biased p-n junction diode.

Explain the working of a reverse biased p-n junction diode.

With a neat diagram explain the working of G.P. Thomson's experiment.

What is full wave rectification? Explain the working of a full wave rectifier. Indicate the wave forms of input and output voltage.