In which of the following condition, diffusion current in \(\mathrm{p\text-n}\) junction is more than drift current?

1.	Forward biasing	2.	Reverse biasing
3.	No biasing	4.	All of these

1. \(2\) A and zero
2. \(3\) A and \(2\) A
3. \(2\) A and \(3\) A
4. zero and \(2\) A

If in a reverse-biased \(\mathrm{p\text-n}\) junction, an increase in carrier concentration takes place due to the creation of new hole-electron pairs by the light of wavelength less than or equal to \(620\) nm, then the bandgap is:
1. \(1\) eV
2. \(2\) eV
3. \(20\) eV
4. \(0.2\) eV

A combination of logic gates is shown in the circuit. If \(A\) is at \(0\) V and \(B\) is at \(5\) V, then the potential of \(R\) is:

How many minimum number of NOR gates are required to obtain an AND gate?
1. One
2. Two
3. Three
4. Five

The circuit shown below is an electrical analogue for which of the following logic gates?
        
1. AND gate
2. OR gate
3. NOT gate
4. NOR gate

What is the equivalent resistance across the terminals of the battery if the diodes are ideal?

What is the name of the logic gate represented by the following symbol?
              

1. NOR
2. OR
3. NAND
4. AND