Physics · Oct / Nov 2022 · Paper 11 · Question 30
5054Series and parallel circuits
A lamp is connected in series with a battery and a variable resistor. The resistance of the variable resistor is decreased gradually. Which statement is correct?
- AThe current in the lamp increases.
- BThe current in the variable resistor decreases.
- CThe e.m.f. of the battery decreases.
- DThe total resistance in the circuit increases.
As printed in the paper
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Correct answer: A. The current in the lamp increases.
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