A circuit is comprised of eight identical batteries and a resistor R = 0.8Ω. Each battery has an emf of 1.0 V and internal resistance of 0.2Ω. The voltage difference across any of the battery is
A
0.5V
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B
1.0V
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C
0 V
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D
2 V
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Solution
The correct option is C 0 V By using the concept of KUL, Redraw the given diagram
Apply the KVL in Loop ABCD.
Then,
−1−1−1−1+1+1+1+1=0,
=0
So, the voltage across R is zero, then when all the Batteries are
connected in the above way, no current will flow and voltage difference will be ov