What is the equivalent resistance of the circuit​​​​​​?

           

1. 6 Ω

2. 7 Ω

3. 8 Ω

4. 9 Ω

If each resistance in the figure is 9 Ω, then the reading of the ammeter is:

1. 5 A

2. 8 A

3. 2 A

4. 9 A

Equivalent resistance across terminals A and B will be:

1. 1 Ω

2. 2 Ω

3. 3 Ω

4. 4 Ω

The total current supplied to the circuit by the battery is:

1. 1 A

2. 2 A

3. 4 A

4. 6 A

In circuit shown below, the resistances are given in ohms and the battery is assumed ideal with emf equal to 3 volt. The voltage across the resistance R₄ is:

1. 0.4 V

2. 0.6 V

3. 1.2 V

4. 1.5 V

A battery of e.m.f. E and internal resistance r is connected to a variable resistor R as shown below. Which one of the following is true​​​​​​?

The current in the arm CD of the circuit will be:
           
1. $i_1+i_2$

2. $i_2+i_3$

3. $i_1+i_3$

4. $i_1-i_2+i_3$

Consider the circuit shown in the figure below. The current I₃ is equal to:

1. 5 A

2. 3 A

3. –3 A

4. –5/6 A

In the Wheatstone's bridge (shown in the figure below) X = Y and A > B. The direction of the current between a and b will be:

In the circuit given below, the e.m.f. of the cell is 2 volt and the internal resistance is negligible. The resistance of the voltmeter is 80 ohm. The reading of the voltmeter will be:                                 
1. 0.80 volt

2. 1.60 volt

3. 1.33 volt

4. 2.00 volt