Q. 6. (i) The potential difference applied across a given resistor is altered so that the heat produced per second increases by a factor of 9. By what factor does the applied potential difference change? (ii) In the figure shown, an ammeter A and a resistor of 4 are connected to the terminals of the source. The emf of the source is 12 V having an internal resistance of 2 Q. Calculate the voltmeter and ammeter readings. kannattice witali V 12 V 292 R = 49 A
Q. 6. (i) The potential difference applied across a given resistor is altered so that the heat produced per second increases by a factor of 9. By what factor does the applied potential difference change? (ii) In the figure shown, an ammeter A and a resistor of 4 are connected to the terminals of the source. The emf of the source is 12 V having an internal resistance of 2 Q. Calculate the voltmeter and ammeter readings. kannattice witali V 12 V 292 R = 49 A
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Transcribed Image Text:Q. 6. (i) The potential difference applied across a given
resistor is altered so that the heat produced per
second increases by a factor of 9. By what factor
does the applied potential difference change?
(ii) In the figure shown, an ammeter A and a resistor
of 4 9 are connected to the terminals of the source.
The emf of the source is 12 V having an internal
resistance of 2 Q. Calculate the voltmeter and
ammeter readings.
V
12 V 29
R = 49
A
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