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Question

In the given figure, the bulb connected to the circuit does not glows. What might be the possible reason for this, assuming circuit connections are done properly?


A
The current through the circuit is too less for the bulb's filament to be heated and glowed adequately.
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B
The current is too high in the circuit to magnetize the bulb.
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C
The current through the circuit is too weak for the chemical reaction required for the bulb to glow.
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D
(a) and (b) above.
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Solution

The correct option is A The current through the circuit is too less for the bulb's filament to be heated and glowed adequately.
When sufficient amount of current is made to pass through the filament of a bulb, it gets heated up and glows. Here the current passing through the circuit is too less. Hence, the filament does not heats up and bulb does not glows even though the liquid present in the beaker is conductive.

Physics

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