a lamp rated 100 ohm at 220V is connected to the mains electric supply . what current is drawn from the supply line if the voltage is 220V ?

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Solution

$R = 100 o h m V = 220 V V = I R I = \frac{V}{R} I = \frac{220}{100} = 2.2 A$

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a lamp rated 100 ohm at 220V is connected to the mains electric supply . what current is drawn from the supply line if the voltage is 220V ?

R=100 ohmV=220 VV=IRI=VRI=220100=2.2 A

$R = 100 o h m V = 220 V V = I R I = \frac{V}{R} I = \frac{220}{100} = 2.2 A$