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10.8. An electric bulb of 40 W is connected to a source of 220 V. Find the current drawn

Answer»

P = VII = P/V = 40/220 = 0.18A

P = V×II = P/V

The formula we will use to calculate the current drawn by an electric bulb of 40W when it is connected to a source of 220V is -

I = P/V I = 40/220 I = 0.18 A

The current drawn by an electric bulb of 40W when it is connected to a source of 220V is 0.18A



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