Semiconductor Electronics: Materials, Devices and

To measure light intensity we use

The Boolean equation for the circuit as shown in figure is

 

The resistance of a silicon junction diode, whose V - I characteristics is as shown in figure is (V_k = 0.7 V)

Two rain drops reach earth from clouds with different terminal velocities having ratio 9 : 4. Then the ratio of their volumes is

In the voltage regulator circuit shown below, the reverse breakdown voltage of zener diode is 3 V. Find the current through zener diode.

Draw truth table of given gate circuit.

For the transistor circuit as shown. If b = 100, voltage drop between emitter and base is 0.7 V then value of VCE will be:-

Avalanche breakdown of p-n junction diode is due to

What is the current through an ideal P – N junction diode shown in figure below?

In a transistor if $\frac{I_C}{E_E}=\alpha$ and $\frac{I_C}{I_B}=\beta$ . If $\alpha$ varies between $\frac{20}{21}$ and $\frac{100}{101}$ , then the value of $\beta$ lies between