Questions
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
detailed solution
Correct option is B
Number of rows = required current Given current =24A12A=2=mNumber of cells in each row= requried potential Given potential =246=4=n∴ Total no of cells = n x m2 x 4 = 8Talk to our academic expert!
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In the circuit shown, each cell has as emf of 5 volt and internal resistance 1Ω. Then potential difference between B and A is
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