Answer to Question #44113 in Electric Circuits for Sunigraiz Faryad

Question #44113
A light bulb is connected to a 260V potential, and produces 120-Watts of light and heat. What is the resistance of the wire in the light bulb?
1
Expert's answer
2014-07-11T09:15:29-0400
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Comments

Assignment Expert
17.07.14, 17:14

Dear Fahad,

here the Joule's first law is used: http://en.wikipedia.org/wiki/Joule%27s_first_law

fahad
10.07.14, 15:52

sir kindly tell me the formula of this question

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