The battery in the circuit diagram has an EMF of 12V and an unknown internal resistance r. Voltmeter V1 is connected across the battery and voltmeter V2 is connected across the switch S. The resistance of the connecting wires and the ammeter is negligible. calculate the total external resistance of the circuit.
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Is there data here?
Wish i cud help sowi..Dnt wori sum1 wil cme up wid sumtn 4 u ;)
2 answers