An electric bulb draws 1.2 A current at 6.0 V. Find the resistance of filament of bulb while glowing.

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Solution

Resistance, $R = \frac{V}{I} = \frac{6 V}{1.2 A} = 5 Ω$

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Ohm's Law

Standard X Physics

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An electric bulb draws 1.2 A current at 6.0 V. Find the resistance of filament of bulb while glowing.

Resistance, R=VI=6 V1.2 A=5 Ω

Resistance, $R = \frac{V}{I} = \frac{6 V}{1.2 A} = 5 Ω$