Physics
The diagram given below shows a bulb connected by dual control switches. Observe the diagrams and answer the questions that follow.
(a) Which switch can successfully turn the bulbs ON or OFF? (Circuit A, Circuit B, or both)
(b) At present, in which circuit is the bulb glowing?
(c) If the L and N wires are swapped in the circuit (your answer to (b)), will the circuit still function?
Household Circuits
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Answer
(a) Both circuits will be able to switch ON and switch OFF the bulb using both switches.
(b) In circuit B the bulb is glowing
(c) Yes, the circuit will function properly.
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