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Answer to Question #61343 in Electric Circuits for muhammad umar

Question #61343
13) A battery charger supplies 10 A to charge a storage battery which has an open - circuit voltage of 5.6 V. If the voltmeter connected across the charger reads 6.8V, what is the internal resistance of the battery at this time?

a) 1.3Ω

b) 0.52Ω

c) 0.12Ω

d) 2.1Ω

14) A battery of e.m.f. and negligible internal resistance is connected to two resistors of resistances
R1
and
R−2
as shown in the figure. What is the potential difference across the resistor of resistance
R2

a) E(R1+R2)R1

b) ER2(R1+R2)

c) E(R1+R2)R2

d) ER2R1
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