For the given circuit of the \(\mathrm{p\text-n}\) junction diode, which of the following statements is correct?

         

1.	In F.B. the voltage across \(R\) is \(V.\)
2.	In R.B. the voltage across \(R\) is \(V.\)
3.	In F.B. the voltage across \(R\) is \(2V.\)
4.	In R.B. the voltage across \(R\) is \(2V.\)

Reverse bias applied to a junction diode:

The barrier potential of a \(\mathrm{p\text-n}\) junction diode does not depend on:

Following diagram performs the logic function of:
    
1. AND gate
2. NAND gate
3. OR gate
4. XOR gate

In a p–n junction photocell, the value of the photo electromotive force produced by monochromatic light is proportional to:

In semiconductors at room temperature:

The truth table for the following network is:

Of the diodes shown in the following diagrams, which one of the diodes is reverse biased?
 

1.		2.
3.		4.

If a common emitter circuit is used as an amplifier, its current gain is \(50.\) If input resistance is \(1\) kΩ and input voltage is \(5\) V, then output current will be:
1. \(250\) mA
2. \(30\) mA
3. \(50\) mA
4. \(100\) mA