Name the device which is used as a voltage regulator. Draw the necessary circuit diagram and explain its working.

Name the devic,e which is used as a voltage regulator. Draw the necessary circuit diagram and explain its working.

(a) Describe briefly with the help of a diagram the role of the two important processes involved in the formatiojn of a p-n junction (b) Name the device which is used as a voltage regulator draw the necessary cirucit diagram and explain its working

Name any two devices which can be used as voltage regulators.

Explain briefly the principle on which a transistor-amplifier works as an oscillator. Draw the necessary circuit diagram and explain its working.

Draw a circuit diagram of a full rectifier and explain its working.