How much current does an electric geyser draw from a 220 V source, if the resistance of the geyser is $110 Ω$ ?

4 Ampere

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2 Ampere

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1 Ampere

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8 Ampere

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Solution

The correct option is B 2 Ampere
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.
$I = (1 / R) \times V$
R is a constant for a given material at a given temperature and is called its resistance.
In the question, $V = 220 V a n d R = 110 Ω$
$C u r r e n t (I) = \frac{220}{10} = 2 A m p e r e$

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