Embibe Experts Solutions for Chapter: Semiconductor Devices, Exercise 5: Exercise (Conceptual Questions)

Electric conduction in a semiconductor takes place due to _____.

When the conductivity of a semiconductor is only due to the breaking of the covalent bonds, the semiconductor is called:

The probability of finding electrons in the conduction band of an intrinsic semiconductor at a finite temperature

In a $p-n$ junction diode, are not connected to any circuit 

If a full-wave rectifier circuit is operating in $50 \mathrm{Hz}$ mains, the fundamental frequency in the ripple will be

When two semiconductors of  $p$ and $n$-type are brought into contact, they form a $p$-$n$ junction which act like

A transistor is used in the common emitter mode as an amplifier. Then -

A. The base-emitter junction is forward biased

B. The base-emitter junction is reverse biased

C. The input signal is connected in series with the voltage applied to bias the base emitter junction

D. The input signal is connected in series with the voltage applied to bias the base collector junction

Correct options are- 

 Digital circuits can be made by repetitive use of