A storage battery of emf 8.0 V and internal resistance 0.5  is being charged by a 120 V dc supply using a series resistor of 15.5 . What is the terminal voltage of the battery during charging?

1. 11.5 V
2. 12 V
3. 13.3 V
4. 10 V

Subtopic:  EMF & Terminal Voltage |
57%
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A secondary cell after long use has an emf of $$1.9$$ V and a large internal resistance of $$380~\Omega$$. What maximum current can be drawn from the cell?
1. $$0.05~\text{A}$$
2. $$0.005~\text{A}$$
3. $$5.0~\text{A}$$
4. $$0.5~\text{A}$$

Subtopic:  EMF & Terminal Voltage |
87%
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The storage battery of a car has an EMF of $$12$$ V. If the internal resistance of the battery is $$0.4~\Omega$$, what is the maximum current that can be drawn from the battery?

 1 $$30$$ A 2 $$20$$ A 3 $$10$$ A 4 $$40$$ A
Subtopic:  EMF & Terminal Voltage |
86%
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A battery of emf 10 V and internal resistance  is connected to a resistor. If the current in the circuit is 0.5 A, what is the terminal voltage of the battery when the circuit is closed?

1. 10 V
2. 8.5 V
3. 1.5 V
4. 7.2 V

Subtopic:  EMF & Terminal Voltage |
80%
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