Question

OR
(a) 12 cells each having the same e.m.f. are connected in aeries and are kept in a
closed box. Some of the cells are wrongly connected. This battery is connected
in aeries with an ammeter and two cells identical with the others. The current
is 3 ampere when the cells and battery aid each other and is 2 ampere when
the cells and battery oppose each other. How many 20
cells in the battery are wrongly connected?
[3+2]
(6) Calculate the steady state current in the 2 ohm resistor
shown in the circuit in the figure. The internal resistance of the battery is negligible​

Answer 1

Answer:

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Explanation:

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