In the circuit shown in figure, Would any of the bulb glow when the switch is in the ‘OFF’ position?

None of the bulb glow when the switch is in the ‘OFF’ position. When the switch is in 'OFF' position, the current does not flow through the circuit. Hence, none of the bulbs will glow.

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Science>Chapter 14 - Electric Current and its Effects>Exercises>Q 9

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7th Punjab Board

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To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.

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Important Questions on Electric Current and its Effects

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7th Punjab Board

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Science>Chapter 14 - Electric Current and its Effects>Exercises>Q 9

When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.

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7th Punjab Board

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Science>Chapter 14 - Electric Current and its Effects>Exercises>Q 9

An electromagnet does not attract a piece of iron.

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7th Punjab Board

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Science>Chapter 14 - Electric Current and its Effects>Exercises>Q 9

An electric bell has an electromagnet.

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7th Punjab Board

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Science>Chapter 14 - Electric Current and its Effects>Exercises>Q 10

Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.

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7th Punjab Board

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Science>Chapter 14 - Electric Current and its Effects>Exercises>Q 11

An electrician is carrying out some repairs in your house. He wants to replace a fuse by a piece of wire. Would you agree? Give reasons for your response.

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7th Punjab Board

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Science>Chapter 14 - Electric Current and its Effects>Exercise>Q 12

Zubeda made an electric circuit using a cell holder shown in the figure, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.
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