A bulb is rated at 200 V - 100 W. What is its resistance?
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Answered by
2
Using, P = V 2/ R
we get R = V²/ P
= (200)/ 100
= 400 (Answer)
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Answered by
0
potential difference: 20v
power: 100w
resistance:?
solution : R =v square
--------------
power
= 200×200
--------
100
= 40000
------
100
= 400
ANS : the resistance = 400 ohms
power: 100w
resistance:?
solution : R =v square
--------------
power
= 200×200
--------
100
= 40000
------
100
= 400
ANS : the resistance = 400 ohms
v is 200
i corrected
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