With the help of a circuit diagram explain the function of a shunt used in a galvanometer.

With the help of a circuit expain the function of a shunt used in a galvanometer.

With the help of a circuit diagram, explain the action of a N-P-N junction transistor.

With the help of a diagram explain the functional areas of cerebrum.

With the help of circuit diagram, explain the working of transistor as a oscillator.

Wha tis a zener diode? How is it symbollically represented? With the help of a circuit diagram, explain the use of zener diode as a voltage stabilizer

With the help of necessary circuit diagram explain the working of a photo diode used for detecting optical signals.

With the help of circuit diagram, explain the working of transistor as a common emitter amplifier.