List of top Physics Questions on Semiconductor electronics: materials, devices and simple circuits asked in AIEEE

Broadcasting antennas are generally

Which one of the following is the Boolean expression for NOR gate?

The figure shows a combination of two NOT gates and a NOR gate. The combination is equivalent to a

A $p-n$ junction $(D)$ shown in the figure can act as a rectifier. An alternating current source $(V)$ is connected in the circuit.

The current $(I)$ in the resistor $(R)$ can be shown by

The logic circuit shown below has the input waveforms $A$ and $B$ as shown. Pick out the correct output waveform.

If the lattice constant of this semiconductor is decreased, then which of the following is correct ? Conduction band width Band gap Valence band width

If in a $p-n$ junction diode, a square input signal of $10\,V$ is applied as shown

Then the output signal across $R_L$ will be

In a common base amplifier, the phase difference between the input signal voltage and output voltage is:

For a transistor amplifier in common emitter configuration having load impedance of $1\, kO$ ($h_{fe} = 50$ and $h_{oe} = 25$) the current gain is

A strip of copper and another germanium are cooled from room temperature to $80\, K$. The resistance of