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Pls with a clear explanation
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Pls with a clear explanation

Pls with a clear explanation-example-1
User Britto Thomas
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1 Answer

5 votes

Step-by-step explanation:

We know that :


P = (V^(2) )/(R)

Resistance of Bulb :


R = ( V^(2) )/(P ) = \frac{ {(240)}^(2) }{280} = 205.71 \: ohms

As per Ohms laws :

Current when (V = 200)


i \: = ( V)/( R) = (200)/(205.71) = 0.97 \: A

User ORole
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