Effective resistance between A and B is :

1. 15 Ω

2. 5 Ω

3. $\frac{5}{2}\Omega$

4. 20 Ω

In the circuit, the potential difference across PQ will be nearest to 

1. 9.6 V

2. 6.6 V

3. 4.8 V

4. 3.2 V

Equivalent resistance across terminals \(A\) and \(B\) will be:

The potential difference between points A and B is:

         
1. 207 V
2. 407 V
3. 107 V
4. 0

In the circuit shown in the adjoining figure, the current between B and D is zero, the unknown resistance is of 

1. 4 Ω

2. 2 Ω

3. 3 Ω

4. em.f. of a cell is required to find the value of X

In the circuit shown in the figure, the current flowing in 2 Ω resistance 

1. 1.4 A

2. 1.2 A

3. 0.4 A

4. 1.0 A

The effective resistance between points A and B is 

1. 10 Ω

2. 20 Ω

3. 40 Ω

4. None of the above three values

In the network shown in the figure, each of the resistance is equal to 2 Ω. The resistance between the points A and B is 

1. 1 Ω

2. 4 Ω

3. 3 Ω

4. 2 Ω

In the Wheatstone's bridge shown, P = 2 Ω, Q = 3 Ω, R = 6 Ω and S = 8 Ω. In order to obtain balance, shunt resistance across 'S' must be [SCRA 1998]

1. 2 Ω

2. 3 Ω

3. 6 Ω

4. 8 Ω

Potential difference between the points P and Q in the electric circuit shown is 

1. 4.5 V

2. 1.2 V

3. 2.4 V

4. 2.88 V