the figure shows 4n cells connected in series to form a loop r is the internal resistance and E is the EMF of each cell. The polarity of last 2n cells are reversed, then terminal voltage across cell A is
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17
Answer:
Hey mate here is your answer
Explanation:
The correct option is c
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8
zero
Explanation:
4n cells in same polarity and 2n in reverse polarity
therefore can be written as n+n-n-n =0
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