Embibe Experts Solutions for Chapter: Semiconductor Electronics: Materials, Devices and Simple Circuits, Exercise 1: Gujarat Board-2018

When will the conductivity of a Ge semiconductor decrease?

Given figure is a symbol of which logic gate?

For an N-P-N transistor in a common base circuit about $7\%$ of the electron entering the base from the emitter recombines with the hole. This results in the collector current being $18.6 \mathrm{mA}$. Calculate the emitter current.

$V_m$ is the maximum voltage between the ends of the secondary terminal of a transformer used in a half-wave rectifier. When the P-N junction diode is reverse biased, What will be the potential difference between the two ends of the diode?
 

The emitter junction of the CE transistor amplifier is ______ biased while the collector junction is _____ biased.

If $\alpha =0.99$ for a CE transistor amplifier circuit. The input resistance is equal to $1 \mathrm{k\Omega }$ and the load resistance is equal to$100 \mathrm{k\Omega }$  to , the voltage gain of the circuit is 

:

Draw the circuit diagram of the full-wave rectifier and explain the working of the circuit.
 

In a N-P-N transistor about ${10}^{10}$ electrons enter the emitter in $1 \mathrm{\mu s}$ when it is connected to a battery. About $2\%$ electrons recombine with the holes in the base. Calculate the value of $I_E, I_B, {\alpha }_{dc}, and {\beta }_{dc }(e=1.6\times {10}^{-19 }\mathrm{C})$