Four cells each of emf 2V and internal resistance 1Ω are connected in parallel with an external resistance of 6Ω. The current in the external resistance is
A
0.6A
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B
0.2A
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C
0.16A
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D
0.32A
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Solution
The correct option is D0.32A Given, E=2V;r=1Ω;R=6Ω
Current through the external resistance is,
I=ER+rn=26+14=26.25
⇒I=0.32A
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Hence, (D) is the correct answer.