The amount of current that an electric geyser will draw from a 220V source is, if the resistance of the geyser is 110Ω.
A
2A
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B
4A
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C
8A
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Solution
The correct option is A2A Ohm’s Law states that the current(I) flowing through a given metallic wire in an electric circuit is directly proportional to the potential difference V across the ends of it, provided its temperature remains the same. I=(1/R)×V R is a constant for a given material at a given temperature and is called its resistance. In the question, V=220VandR=110Ω Current(I)=220110=2Ampere