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Assertion : When current through a bulb ...

Assertion : When current through a bulb is increased by `2%` power increases by `4%`
Reason : Current passing through the bulb is `prop (1)/(Resistance)`.

A

If both assertion and reason are ture and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
D
(b) `P = sum^(2) R`
`100 % xx ((dP)/(P)) = 2 ((dI)/(I)) 100 %`
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A2Z-CURRENT ELECTRICITY-Section B - Assertion Reasoning
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