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Calculate the curren and the resistance ...

Calculate the curren and the resistance of a 100W, 200V electric bulb in an electric circuit.

Text Solution

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Power P = 100W and voltage V =200V
Power P = VI
`therefore` Current , `I = (P)/(V) = (100)/(20) = 0.5 A`
Resistance , `R = (200)/(0.5) = 400 Omega`
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