1.

The given figure shows a circuit diagram containing 12 cells, each of EMF 1.5 V and internal resistance 0.25Ω. Calculate the: (a) total internal resistance. (b) total EMF. (c) reading shown by the ammeter. (d) Current in 12Ω and 8Ω resistors. [5 MARKS]

Answer» The given figure shows a circuit diagram containing 12 cells, each of EMF 1.5 V and internal resistance 0.25Ω. Calculate the:

(a) total internal resistance.
(b) total EMF.
(c) reading shown by the ammeter.
(d) Current in 12Ω and 8Ω resistors.
[5 MARKS]


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