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How many cells each marked (6V-12A) shou...

How many cells each marked `(6V-12A)` should be connected in mixed grouping so that it may be marked `(24V-24A)`

A

4

B

8

C

12

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
Number of rows = `("required current")/("Given current")`
`= (24A)/(12A) = 2 - m `
Number of cells in each row
`= ("requried potential")/("Given potential")`
= `24/6 = 4` = n
therefore Total no of cells = `n xx m`
`2 xx 4 = 8`
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