which has more resistance, a 100W bulb or 60 W bulb? State the reason for the answer
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potter123:
sp shouldn't 60 W be the answer
U can do the derivation
so*
No
could u try sending the derivation
Put the value of v2 that is i square into r
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Answered by
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Answer:
If the voltage is the same, the 60w bulb will have more resistance.
Explanation
⬇
We have the equation, P=V²/R
From this R=V²/P
So the bulb with less wattage will have more resistivity. i.e, The 60w bulb will have more resistance.(According to the equation R=V²/P, if the value of P increases then resistivity decreases)
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bro wait i hv a doubt
p=v square /r,
v square = i square. r square
so p= i square. r
thus 100 W should be the answer right????
Yes that’s the right answer
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