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Question
A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.
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Solution
I = 1.5 A
V = 6.0 V
According to Ohm's law ,
V = IR
∴ `"R" = "V"/"I" = 6.0/1.5 = 4.0 Ω`
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