The equivalent resistance between \(A\) and \(B\) for the mesh shown in the figure is:

A potential divider is used to give outputs of 2 V and 3 V from a 5 V source, as shown in the figure.

Which combination of resistances, from the ones given below, ${\mathrm{R}}_1,$ ${\mathrm{R}}_2,$ $\mathrm{and}$ ${\mathrm{R}}_3$ give the correct voltages?

In the circuit shown in the figure, the effective resistance between A and B is:

1.  2 $\mathrm{\Omega }$

2.  4 $\mathrm{\Omega }$

3.  6 $\mathrm{\Omega }$

4.  8 $\mathrm{\Omega }$

The effective resistance between points P and Q of the electrical circuit shown in the figure is:
            

1. $2Rr/(R+r)$

2. $8R$ $(R+r)/(3R+r)$

3. $2r+4R$

4. $5R/2$ $+$ $2r$

Equivalent resistance across terminals A and B will be:

1. 1 Ω

2. 2 Ω

3. 3 Ω

4. 4 Ω

What is the reading of the voltmeter of resistance 1200 $\Omega$ connected in the following circuit diagram? 

1. 2.5 V

2. 5.0 V

3. 7.5 V

4. 40 V

In the circuit shown, the value of each of the resistances is r.  The equivalent resistance of the circuit between terminals A and B will be:
        
1. (4/3)r

2. 3r/2

3. r/3

4. 8r/7

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

1. 6 Ω

2. 7 Ω

3. 8 Ω

4. 9 Ω

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

1. 1 A

2. 2 A

3. 4 A

4. 6 A

A wire of resistance \(12~ \Omega \text{m}^{-1}\)${\mathrm{}}^{}$ is bent to form a complete circle of radius \(10~\text{cm}\). The resistance between its two diametrically opposite points, \(A\) and \(B\) as shown in the figure, is:
        
1. \(0.6\pi~\Omega\)$$
2. \(3\pi ~\Omega\)$$
3. \(61 \pi~ \Omega\)$$
4. \(6\pi~\Omega\)$$