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Q. No.What is the ratio of potential difference across \(\)\(C_1\) and \(C_2\) at steady state for the given circuit?
1. \(4:5\)
2. \(2:5\)
3. \(1:4\)
4. \(3:1\)
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In the given circuit, the reading on the ideal voltmeter is equal to:
1. \(3~\text V\)
2. \(1.8~\text V\)
3. \(1.2~\text V\)
4. zero
1. \(3~\text V\)
2. \(1.8~\text V\)
3. \(1.2~\text V\)
4. zero
Subtopic: EMF & Terminal Voltage |
78%
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JEE
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Circuit I is converted to voltmeter after adding resistance R and current in circuit I is 1 mA. Circuit II is converted to ammeter after adding resistance r as shown. If current through battery in circuit II is 10 mA and current through galvanometer is 1 mA, then find R and r if resistance of galvanometer is 54 Ω.
1. R = 49946 Ω, r = 54 Ω
2. R = 6 Ω, r = 49946 Ω
3. R = 49946 Ω, r = 49946 Ω
4. R = 49946 Ω, r = 6 Ω
1. R = 49946 Ω, r = 54 Ω
2. R = 6 Ω, r = 49946 Ω
3. R = 49946 Ω, r = 49946 Ω
4. R = 49946 Ω, r = 6 Ω
Subtopic: Kirchoff's Voltage Law |
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JEE
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In the given circuit, the current passes through \(20~\Omega\) is:
1. \(0.45~\text A\)
2. \(0.23~\text A\)
3. \(0.40~\text A\)
4. \(0.78~\text A\)
1. \(0.45~\text A\)
2. \(0.23~\text A\)
3. \(0.40~\text A\)
4. \(0.78~\text A\)
Subtopic: Kirchoff's Current Law |
68%
From NCERT
JEE
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The effective resistance in the following circuit across terminal \(A\) and \(B\) is equal to:
| 1. | \(5~ \Omega\) | 2. | \(10 ~\Omega\) |
| 3. | \(20~ \Omega\) | 4. | \(40~ \Omega\) |
Subtopic: Combination of Resistors |
86%
From NCERT
JEE
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Given below are two statements:
| Statement I: | In a series combination of resistors, the equivalent resistance is smaller than the individual resistances. |
| Statement II: | The resistivity of a wire depends on its temperature. |
| 1. | Statement I is True and Statement II is False. |
| 2. | Statement I is False and Statement II is True. |
| 3. | Both Statement I and Statement II are True. |
| 4. | Both Statement I and Statement II are False. |
Subtopic: Derivation of Ohm's Law |
71%
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Find the magnitude of potential difference in volt between A and B in given circuit.
1. 2 V
2. 0
3. 3 V
4. 6 V
1. 2 V
2. 0
3. 3 V
4. 6 V
Subtopic: Kirchoff's Voltage Law |
From NCERT
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Find the equivalent resistance between points \(A\) and \(B\) in the given circuit.
1. \(6.4 ~\Omega\)
2. \(4 ~\Omega\)
3. \(3.2 ~\Omega\)
4. \(8 ~\Omega\)
1. \(6.4 ~\Omega\)
2. \(4 ~\Omega\)
3. \(3.2 ~\Omega\)
4. \(8 ~\Omega\)
Subtopic: Combination of Resistors |
82%
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\(10\) resistors each of \(10\) \(\Omega\) resistance when connected together give minimum equivalent resistance \(R_1\) and maximum equivalent resistance \(R_2\) among various possible combinations.
So, \({R_2 \over R_1}\) is equal to:
1. \(1\)
2. \(100\)
3. \(200\)
4. \(10\)
So, \({R_2 \over R_1}\) is equal to:
1. \(1\)
2. \(100\)
3. \(200\)
4. \(10\)
Subtopic: Combination of Resistors |
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The equivalent resistance of the following circuit (in ohms) is equal to \(\frac{x}{7}.\) What is the value of \(x?\)
| 1. | \(14\) | 2. | \(10\) |
| 3. | \(12\) | 4. | \(16\) |
Subtopic: Combination of Resistors |
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