Semiconductor Electronics

For the given circuit of p-n junction diode, which is correct? [figure]

1. in forward bias the voltage across R is V
2. in reverse bias the voltage across R is V
3. in forward bias the voltage across R is 2V
4. in reverse bias the voltage across R is 2V.

For a transistor ICIE = 0.96, then current gain for common emitter is

1. 12
2. 6
3. 48
4. 24

The given truth table is for which logic gate [figure]

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

The current in the circuit will be [figure]

1. 540 A
2. 550 A
3. 510 A
4. 520 A

For a common base circuit if ICIE = 0.98 then current gain for common emitter circuit will be

1. 49
2. 98
3. 4.9
4. 25.5

From the following diode circuits, which diode is in forward biased condition?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The correct relation between and for a transistor is

1. = 1-
2. = 1-
3. = -1
4. = 1