When connected across the terminals of a cell, a voltmeter measures 5 V and a connected ammeter measures 10 A of current. A resistance of 2 ohms is connected across the terminals of the cell. The current flowing through this resistance will be
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a
2.5 A
b
2.0 A
c
5.0 A
d
7.5 A
answer is B.
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Detailed Solution
Emf E = 5 V , Internal resistanceCurrent through the resistance