Figures below show a cell connected to a bulb through insulate copper wires. State with a reason in which case the bulb will glow and not glow:

Figure

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Solution

(b)
All the circuits except the one in Option (b) are open; therefore, only (b) will allow the flow of current.

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Q. Figures below show a cell connected to a bulb different types of material. State with a reason in which case the bulb will glow and not glow:

Figure

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Figures below show a cell connected to a bulb through insulate copper wires. State with a reason in which case the bulb will glow and not glow: Figure

(b) All the circuits except the one in Option (b) are open; therefore, only (b) will allow the flow of current.

Figures below show a cell connected to a bulb through insulate copper wires. State with a reason in which case the bulb will glow and not glow:

Figure

(b)
All the circuits except the one in Option (b) are open; therefore, only (b) will allow the flow of current.