How much current will a torch blub draw from a 3.0 volt battery,if the resistance of blub is 1.2 ohm
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i=vr => i= 3*1.2=> i=3.6A
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- When the bulb of resistance 1100 ohm is connected 0.2 A of current is drawn. Now I = V/R. = 220 / 100. So I = 2.2 A.
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