explain with the help of a labelled circuit diagram how will you find the resistance of a combination of three resistor ,of resistance r1,r2,r3 joined in parallel. also mentain how will you connect the ammeter and the voltmeter in the circuit while measuring the current in the circuit and the potential difference across one of the three resistor of the combination
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resistance in parallel= 1/R=1/R1+1/R2+1/R3+1/R4.........
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