Q. No.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. | \(4.8~\Omega\) |
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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. | \(R\) |
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A potential divider is used to give outputs of \(2~\text{V}\) and \(3~\text{V}\) from a \(5~\text{V}\) source, as shown in the figure.
| 1. | \({R}_1=1~\text{k} \Omega, {R}_2=1 ~\text{k} \Omega, {R}_3=2 ~\text{k} \Omega\) |
| 2. | \({R}_1=2 ~\text{k} \Omega, {R}_2=1~\text{k} \Omega, {R}_3=2~\text{k} \Omega\) |
| 3. | \({R}_1=1 ~\text{k} \Omega, {R}_2=2~ \text{k} \Omega, {R}_3=2~ \text{k} \Omega\) |
| 4. | \({R}_1=3~\text{k} \Omega, {R}_2=2~\text{k} \Omega, {R}_3=2~ \text{k} \Omega\) |
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What is the equivalent resistance between \(A\) and \(B\) in the figure below if \(R= 3~\Omega?\)
1. \(9~\Omega\)
2. \(12~\Omega\)
3. \(15~\Omega\)
4. None of these
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In the circuit shown in the figure, the effective resistance between \(A\) and \(B\) is:
1. \(2~\Omega\)
2. \(4~\Omega\)
3. \(6~\Omega\)
4. \(8~\Omega\)
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The effective resistance between points \(P\) and \(Q\) of the electrical circuit shown in the figure is:
| 1. | \(\frac{2 R r}{\left(R + r \right)}\) | 2. | \(\frac{8R\left(R + r\right)}{\left( 3 R + r\right)}\) |
| 3. | \(2r+4R\) | 4. | \(\frac{5R}{2}+2r\) |
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The equivalent resistance between \(A\) and \(B\) is:
1. \(3~\Omega\)
2. \(6~\Omega\)
3. \(9~\Omega\)
4. \(12~\Omega\)
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What is total resistance across terminals \(A\) and \(B\) in the following network?
| 1. | \(R\) | 2. | \(2R\) |
| 3. | \(\dfrac{3R}{5}\) | 4. | \(\dfrac{2R}{3}\) |
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Equivalent resistance across terminals \(A\) and \(B\) will be:
| 1. | \(1~\Omega\) | 2. | \(2~\Omega\) |
| 3. | \(3~\Omega\) | 4. | \(4~\Omega\) |
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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 |
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