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Q. No.Which of the following statements is false?
| 1. | Wheatstone bridge is the most sensitive when all the four resistances are of the same order of magnitude |
| 2. | In a balanced Wheatstone bridge if the cell and the galvanometer are exchanged, the null point is disturbed |
| 3. | A rheostat can be used as a potential divider |
| 4. | Kirchhoff’s second law represents energy conservation |
Subtopic: Wheatstone Bridge |
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Level 2: 60%+
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In the given circuit, an \(8~\text{V}\) battery powers a network of resistors. The current \(i_1\) flows from point \(A\) to point \(C\) through the resistor network. The value of \(i_1\) is:
| 1. | \(2~\text{A}\) | 2. | \(1~\text{A}\) |
| 3. | \(5~\text{A}\) | 4. | \(4~\text{A}\) |
Subtopic: Wheatstone Bridge |
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Level 3: 35%-60%
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Current measured by the ammeter \(A\) in the reported circuit when no current flows through \(10~\Omega\) resistance will be:
1. \(20~\text{A}\)
2. \(30~\text{A}\)
3. \(10~\text{A}\)
4. \(0~\text{A}\)
1. \(20~\text{A}\)
2. \(30~\text{A}\)
3. \(10~\text{A}\)
4. \(0~\text{A}\)
Subtopic: Wheatstone Bridge |
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Level 1: 80%+
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Subtopic: Wheatstone Bridge |
80%
Level 1: 80%+
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A battery of \(6\) V is connected to the circuit as shown below. The current \(i\) drawn from the battery is:
1. \(1\) A
2. \(2\) A
3. \(\frac{6}{11}~\text{A}\)
4. \(\frac{4}{3}~\text{A}\)
1. \(1\) A
2. \(2\) A
3. \(\frac{6}{11}~\text{A}\)
4. \(\frac{4}{3}~\text{A}\)
Subtopic: Wheatstone Bridge |
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Level 1: 80%+
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For the given electrical circuit, the potential difference between point \(B\) and \(C\) is zero. The value of \(x\) is:
1. \(\dfrac{1}{2}\) \(\Omega\)
2. \(\dfrac{3}{2}\) \(\Omega\)
3. \(\dfrac{2}{3}\) \(\Omega\)
4. \(\dfrac{3}{5}\) \(\Omega\)
1. \(\dfrac{1}{2}\) \(\Omega\)
2. \(\dfrac{3}{2}\) \(\Omega\)
3. \(\dfrac{2}{3}\) \(\Omega\)
4. \(\dfrac{3}{5}\) \(\Omega\)
Subtopic: Wheatstone Bridge |
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Level 1: 80%+
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In the circuit shown, the equivalent resistance between terminals \(A\) and \(B\) is:
1. \(3R/2\)
2. \(2R\)
3. \(4R\)
4. \(R\)
1. \(3R/2\)
2. \(2R\)
3. \(4R\)
4. \(R\)
Subtopic: Wheatstone Bridge |
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Q. No.
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