Home Physics Heating and Chemical Effect of Current Heating Effect of Current The electric bulbs have tungsten filaments o…
Physics Heating and Chemical Effect of Current Heating Effect of Current MCQ (Single Correct)

The electric bulbs have tungsten filaments of same length. If one of them gives 60 watt and other 100 watt, then

A
100 watt bulb has thicker filament
B
60 watt bulb has thicker filament
C
Both filaments are of same thickness
D
It is possible to get different wattage unless the lengths are different

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Text Solution

Verified by Experts
The correct answer is:
A

. If is more, is less . . For less , a is more. So the bulb has thicker element.

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