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Solution


Q.

Which among the following is the correct way of connect ammeter and voltmeter in the circuit to determine the equivalent resistance of two resistors in series
1 Both ammeter and voltmeter in series  
2 Both ammeter and voltmeter in parallel  
3 Ammeter in parallel and voltmeter in series  
4 Ammeter in series and voltmeter in parallel  

Ans.

(4)

The correct way of connecting ammeter and voltmeter in the circuit to determine the equivalent resistance of two resistors is connecting ammeter in series and voltmeter in parallel. Ammeter is connected in series, so that the whole current passes through it and voltmeter is connected in parallel so that it could measure the complete voltage of the circuit.