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A battery has an unknown e.m.f, ε,and an internal resistance

A battery has an unknown e.m.f, ε,and an internal resistance r = 0.40Ω. When a resistance R = 5.60Ω is connected across the
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2. asked by prada
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The battery of emf 12v and internal resistance 1.5ohm connected to an external resistance 3ohm. Calculate the current flowing in
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2. asked by Stella
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The battery in the circuit diagram has an EMF of 12V and an unknown internal resistance r. Voltmeter V1 is connected across the
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2. asked by Jennifer
3. 644 views
The battery in the circuit diagram has an EMF of 12V and an unknown internal resistance r. Voltmeter V1 is connected across the
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2. asked by Jacqui
3. 1,655 views
A resistor has a resistance R, and a battery has an internal resistance r. When the resistor is connected across the battery,
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2. asked by ALan
3. 1,682 views
A 20v battery with an internal resistance of 5ohm is connected to a resistance of x ohm if an additional 6ohm resistance is
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2. asked by Anonymous
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A battery has an internal resistance of 0.42. A number of identical light bulbs, each with a resistance of 31.500, are connected
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2. asked by Luis
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A new "D" battery has an emf of 1.5 V. When a wire of negligible resistance is connected between the terminals of the battery, a
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2. asked by ali-1
3. 1,293 views
A voltmeter of internal resistance of 5000 Ω is connected across the poles of a battery of internal resistance 0.20 Ω. The
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2. asked by Selma
3. 854 views
Three resistors are connected to a 20 V battery as shown. The internal resistance of the battery is negligible.(a) What is the
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2. asked by luz
3. 923 views