Describe how a semiconductor diode is used as a half wave rectifier and write the expression for its efficiency.

In a half wave rectifier, the current flows

Write down the expression for the stationary wave.

Name the semiconductor device that can be used as a rectifier. Draw the I-V characteristics of the device.

The value of form factor in case of half wave rectifier is

Draw a labelled circuit diagram of a half wave rectifier and give its output waveform.

(a)Compare the otto cycle with diesel cycle. (b)Explain the working of a diesel engine. Derive an expression for its efficiency.

Explain the formation of depletion layer and potential barrier in p-n junction. Draw the circuit diagram of a half wave rectifier and explain its working.

The figure below shows the V-I characteristic of a semiconductor diode. (i ) Identify the semiconductor diode used. (ii) Draw the circuit diagram to obtain the given characteristic of this device. (ii) Briefly explain how this diode can be used as a voltage regulator.

How is the frequency of a wave related to its time period ?

Draw the circuit diagram of a common emitter transistor amplifier. Write the expression for its voltage gain. Explain , how the input and output signal differ in phase by 180^(@)