Q. 224.0( 20 Votes )

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Answer :

Circuit diagram consisting of a cell, a key, an ammeter, a resistor of 2 Ω in series with a combination of two resistors (4 Ω each) in parallel and a voltmeter across the parallel combination is as follows:


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Net resistance connected in parallel R = 2 Ω


Since resistance of 2 Ω and effective resistance of parallel combination of two 4 Ω resistances in series , same current will flow through them and therefore potential difference will be same across the 2 Ω resistor as across the parallel combination of 4 Ω resistors.


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