JEE Main Semiconductor Practice Questions With Solutions

In the truth table of the above circuit the value of X and Y are :

The $I$I-$V$V characteristics of an electronic device shown in the figure. The device is :

A light emitting diode (LED) is fabricated using GaAs semiconducting material whose band gap is $1.42\mathrm{eV}$1.42 \textrm{ } eV. The wavelength of light emitted from the LED is :

The output $\mathrm{Y}$Y of following circuit for given inputs is :

The acceptor level of a p-type semiconductor is $6\mathrm{eV}$6 \textrm{ } eV. The maximum wavelength of light which can create a hole would be : Given $\mathrm{hc}=1242\mathrm{eV}\mathrm{nm}$hc = 1242 \textrm{ } eV \textrm{ } nm.

The correct truth table for the following logic circuit is :

The output (Y) of logic circuit given below is 0 only when :

Following gates section is connected in a complete suitable circuit.

For which of the following combination, bulb will glow (ON) :

Which of the diode circuit shows correct biasing used for the measurement of dynamic resistance of p-n junction diode :

Identify the logic gate given in the circuit :