A) Circuit Y is a series circuit.
B) Bulb 2 in circuit X will glow, even when the bulb 1 is fused, and switch \[{{S}_{1}}\] is closed.
C) In circuit Y, bulb 3 will glow if only switch \[{{S}_{2}}\] is closed.
D) Both circuits X and Y are parallel circuits.
Correct Answer: C
Solution :
Circuit X is series circuit and circuit Y is parallel circuit. As circuit X is a series circuit, so bulb 2 will not glow if switch S., is closed and bulb 1 is fused.
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