Question 1:
Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V
each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all
connected in series.
Answer:
Three cells of potential 2 V, each connected in series, is equivalent to a battery of
potential 2 V + 2 V + 2 V = 6V. The following circuit diagram shows three resistors
of resistances 5 Ω, 8 Ω and 12 Ω respectively connected in series and a battery of
potential 6V.
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