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A voltmeter has a resistance of 100 Ω. What will be its reading when it is connected across a cell of emf 6 V and internal resistance 20 Ω? - Physics

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Question

A voltmeter has a resistance of 100 Ω. What will be its reading when it is connected across a cell of emf 6 V and internal resistance 20 Ω? 

Sum
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Solution

Terminal potential, V = `"E"/("R" + "r") xx "R" = 6/(100 + 20) xx 100 = 5`V

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Chapter 9: Current Electricity - Very Short Answer

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SCERT Maharashtra Physics [English] 12 Standard HSC
Chapter 9 Current Electricity
Very Short Answer | Q 9
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