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32 cells each of emf 3V are connected in...

`32` cells each of emf `3V` are connected in series. The combination as shown andthe total emf is `84 V` How many number of cells are connected reversely?

A

0

B

2

C

4

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
Let x be number of cells in reversed connection. `therefore 84=3xx32-2x xx3or84=96-6xorx=2`
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MTG GUIDE-CURRENT ELECTRICITY -NEET CAFE ( TOPICWISE PRACTICE QUESTIONS )
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  10. Four cells of identical emf epsilon and internal resistance r are conn...

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  11. A galvanometer connected with an unknown resistor and two identical ce...

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