science
Grade6
Easy
Question
In the picture of a simple circuit shown below, the light bulb glows ______.
- When the paper clip is rotated to touch the other drawing pin
- When the thermo col piece is replaced by a cardboard piece
- When the wires are replaced by cotton threads
- When the cell is replaced by a battery of two cells
Hint:
The bulb will glow when the switch is closed.
The correct answer is: When the paper clip is rotated to touch the other drawing pin
- In the above figure, the switch of the circuit is open. When the paper clip is rotated to touch the other drawing pin the switch will be closed and the current will flow through the circuit and the bulb will glow.
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