Question

out of 60w and 40w lamps,which one has higher resistance when we use?

Answer 1

Answer:

The bulb with 40 W has higher electrical resistance. , the voltage supplied will be constant denoted as V. So, the resistance for 60 W bulb is 2/3rd times less than the resistance for 40 W bulb. Thus, the 40 W bulb has higher resistance.

Explanation:

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Answer 2

Answer:

Explanation:

So your answer is -

Power of lamp 1 = 60W

Power of lamp 2= 40W

Resistance and power are inversely proportional to each other

i.e. - R = V * V / P

Also ,

R is inversely proportional 1/P

So , lamp powered 40W has more resistance than a 60W lamp.

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