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Question

# When a Voltmeter connected across the terminals of the cell, measures 5V and an ammeter connected measures 10A. A resistance of 2Ω is connected across the terminal of the cell. The current flowing through this resistance is :-

A
7.5A
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B
5.0A
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C
2.5A
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D
2.0A
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Solution

## The correct option is C 2.0AResistance across cell terminal is R=5/10=0.5ΩThis resistance R and 2Ω are in parallel . so 10A current divide into R and 2Ω.using current division rule , the current through 2Ω resistance =0.52+0.5×10=2A

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