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(A): Two bulbs of same wattage, one havi...

(A): Two bulbs of same wattage, one having a carbon filament and the other having a metallic filament are connected in series. Metallic bulb will glow more brightly than carbon filament bulb.
(R): Carbon is a semiconductor. 

A

Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'

B

Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'

C

'A' is true and 'R' is false

D

'A' is false and 'R' is false

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IB
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  15. (A): In metrebridge experiment, a high resis tance is connected in ser...

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  16. (A): Potentiometer is much better than a Voltmeter for measuring emf o...

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  17. (A): In a meter bridge, If its wire is replaced by another wire having...

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