Three ideal diodes are connected to the battery as shown in the circuit. The current supplied by the battery is:

                         
1. zero
2. \(4~\text{A}\)
3. \(2~\text{A}\)
4. \(6~\text{A}\)

When a p-n junction is forward biased, then:

The current through an ideal p-n junction diode shown in the circuit will be -

1.  5 A

2.  0.2 A 

3.  0.6 A

4.  Zero

In the given figure, the potential difference between A and B is:

Which one of the following represents forward biased circuit?

1. 

2. 

3. 

4. 

In the given figure, a diode D is connected to an external resistance R = 100 Ω  and an e.m.f of 3.5 V. If the barrier potential developed across the diode is 0.5 V, the current in the circuit will be


1. 30mA

2. 40mA

3. 20mA

4. 35mA

The barrier potential of a p-n junction depends on

(i)type of semiconductor material

(ii)amount of doping

(iii)temperature

Which one of the following is correct

1. (i) and (ii)only

2. (ii) only

3. (ii) and (iii)only

4. (i),(ii) and (iii)

In forward biasing of the p-n junction 

In the following figure, the diodes which are forward biased, are

1.  III and IV only

2.  I and III only

3.  II only

4.  II and IV only

In the forward bias arrangement of a PN-junction diode

(1) The N-end is connected to the positive terminal of the battery

(2) The P-end is connected to the positive terminal of the battery

(3) The direction of current is from N-end to P-end in the diode

(4) The P-end is connected to the negative terminal of battery