Ten identical cells each of emf and internal resistance r are connected in series to form…
Physics · Class 12 · CBSE — Current Electricity
Ten identical cells each of emf \(\varepsilon\) and internal resistance r are connected in series to form a closed circuit. An ideal voltmeter connected across three cells will read:
- 3 \(\varepsilon\)
- 7 \(\varepsilon\)
- 10 \(\varepsilon\)
- 13 \(\varepsilon\)
Answer
(A) 3
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