In which of the following circuit will the bulb glow?
A
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B
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C
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D
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Solution
The correct option is B
Explanations for correct Option (B): In the circuit in option (B) since the circuit is complete, bulb will glow.
Explanations for incorrect options:
Option (A): In the circuit in option (A) since the both terminals of the bulb are connected to same side of the battery that's why circuit is incomplete and bulb will not glow.
Option (C): In the circuit in option (C) since a thread is used for completing the circuit which is an insulator that's why circuit is incomplete and bulb will not glow.
Option (D): In the circuit in option (A) since a rubber band is used for completing the circuit which is an insulator that's why circuit is incomplete and bulb will not glow.
