- 1(current)
Q. No.Internal resistance of a \(2.1~\text{V}\) cell which gives a current of \(0.2~\text{A}\) through a resistance of \(10~\Omega\) is:
1. \(0.5~\Omega\)
2. \(0.8~\Omega\)
3. \(1.0~\Omega\)
4. \(0.2~\Omega\)
1. \(0.5~\Omega\)
2. \(0.8~\Omega\)
3. \(1.0~\Omega\)
4. \(0.2~\Omega\)
Subtopic: EMF & Terminal Voltage |
83%
From NCERT
AIPMT - 2013
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A cell having an emf \(\varepsilon\) and internal resistance \(r\) is connected across a variable external resistance \(R\). As the resistance \(R\) is increased, the plot of potential difference \(V\) across \(R\) is given by:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: EMF & Terminal Voltage |
61%
From NCERT
AIPMT - 2012
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A current of \(2~\text{A}\) flows through a \(2~\Omega\) resistor when connected across a battery. The same battery supplies a current of \(0.5~\text{A}\) when connected across a \(9~\Omega\) resistor. The internal resistance of the battery is:
| 1. | \(\dfrac{1}{3}~\Omega\) | 2. | \(\dfrac{1}{4}~\Omega\) |
| 3. | \(1~\Omega\) | 4. | \(0.5~\Omega\) |
Subtopic: EMF & Terminal Voltage |
78%
From NCERT
AIPMT - 2011
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A student measures the terminal potential difference \(V\) of a cell (of emf \( E\) and internal resistance \(R\)) as a function of the current \(I\) flowing through it. The slope and intercept of the graph between \(V\) and \(I\), respectively, is equal to:
1. \(E\) and \(-r\)
2. \(-r\) and \(E\)
2. \(-r\) and \(E\)
3. \(r\) and \(-E\)
4. \(-E\) and \(r\)
Subtopic: EMF & Terminal Voltage |
69%
From NCERT
AIPMT - 2009
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In the circuit shown, the current through the 4 resistors is 1 A when the points P and M are connected to a DC voltage source. The potential difference between the points M and N is:
1. 1.5 V
2. 1.0 V
3. 0.5 V
4. 3.2 V
Subtopic: Combination of Resistors | EMF & Terminal Voltage |
60%
From NCERT
AIPMT - 2008
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NEET 2025 - Target Batch
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- 1(current)
Q. No.
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