how much current will an electric bulb draw from 220 V source, if the resistance of the bulb is 1200 ohm?if in place of bulb, a heater of resistance of 100 ohm is connected to the source, calculate the current drawn by it.
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Current drawn by bulb = V/R = 220/1200 = 0.18A
current drawn by heater = 220/100 = 2.2
current drawn by heater = 220/100 = 2.2
tajinderbadwal34:
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