What will happen in the circuit shown in the figure when the switch is moved to the ON position?[48]

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Bulb A will glow first

Bulb B will glow first

Bulb C will glow first

All bulbs will glow together

answer is D.

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Detailed Solution

When the switch is moved to the ON position, all bulbs will glow together.
A bulb is a device that emits light when the switch is moved to the ON position. The filament which glows is made up of tungsten metal. The combination of cells should be arranged in such a way that the positive terminal of one cell is in contact with the negative terminal of the other cell; then, only electric current will pass through the circuit; therefore, when the switch is moved to ON position, then all the bulbs will glow together as current passes through all the bulbs simultaneously.

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