Different voltages are applied across a $P-N$ junction and the currents are measured for each value. Which of the following graphs is obtained between voltage and current?

Which of the following represents a reverse-biased diode?

In the given circuit,the voltage across the $P-N$ junction diode remains constant at $0.5 \ V$ regardless of the current. The maximum power rating of the diode is $100 \ mW$. What should be the value of $R$ in $\Omega$ to obtain the maximum current in the circuit?

The barrier potential of a $p-n$ junction depends on:
$(1)$ Type of semiconductor material
$(2)$ Amount of doping
$(3)$ Temperature
Which one of the following is correct?

If in a $p-n$ junction diode,a square input signal of $10\, V$ (varying from $+5\, V$ to $-5\, V$) is applied as shown,then the output signal across $R_L$ will be:

For using a multimeter to identify a diode from electrical components,choose the correct statement about the diode from the following: