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

      

1. \(7.2\) \(\Omega\) 2. \(16\) \(\Omega\)
3. \(30\) \(\Omega\) 4. \(4.8\) \(\Omega\)
Subtopic:  Combination of Resistors |
 87%
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NEET - 2020

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The equivalent resistance between points A and B in the circuit shown in the figure is:

                          

1.  6R

2.  4R

3.  2R

4.  R

Subtopic:  Combination of Resistors |
 83%
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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, R1, R2, and R3 give the correct voltages?

1. \(\mathrm{R}_1=1 \mathrm{k} \Omega, \mathrm{R}_2=1 \mathrm{k} \Omega, \mathrm{R}_3=2 \mathrm{k} \Omega\)
2. \(\mathrm{R}_1=2 \mathrm{k} \Omega, \mathrm{R}_2=1 \mathrm{k} \Omega, \mathrm{R}_3=2 \mathrm{k} \Omega\)
3. \(\mathrm{R}_1=1 \mathrm{k} \Omega, \mathrm{R}_2=2 \mathrm{k} \Omega, \mathrm{R}_3=2 \mathrm{k} \Omega\)
4. \(\mathrm{R}_1=3 \mathrm{k} \Omega, \mathrm{R}_2=2 \mathrm{k} \Omega, \mathrm{R}_3=2 \mathrm{k} \Omega\) 

Subtopic:  Combination of Resistors |
 79%
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What is the equivalent resistance between A and B in the figure below if R = 3 Ω?
                   
1. 9 Ω

2. 12 Ω

3. 15 Ω

4. None of these

Subtopic:  Combination of Resistors |
 80%
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In the circuit shown in the figure, the effective resistance between A and B is:

                            

1.  2 Ω

2.  4 Ω

3.  6 Ω

4.  8 Ω

Subtopic:  Combination of Resistors |
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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

Subtopic:  Combination of Resistors |
 76%
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The equivalent resistance between \(A\) and \(B\) is:

         

1. \(3~\Omega\)
2. \(6~\Omega\)
3. \(9~\Omega\)
4. \(12~\Omega\)

Subtopic:  Combination of Resistors |
 72%
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What is total resistance across terminals A and B in the following network?

   

1. R

2. 2R

3. 3R5

4. 2R3

Subtopic:  Combination of Resistors |
 70%
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Equivalent resistance across terminals A and B will be:

        

1. 1 Ω

2. 2 Ω

3. 3 Ω

4. 4 Ω

Subtopic:  Combination of Resistors |
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What is the reading of the voltmeter of resistance 1200 Ω connected in the following circuit diagram? 

         

1. 2.5 V

2. 5.0 V

3. 7.5 V

4. 40 V

Subtopic:  Combination of Resistors |
 67%
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