An electric stove uses _________ resistances.

High

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Low

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Medium

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None

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Solution

The correct option is B High
According to Joule’s law of heating, heat produced in a resistor $(H)$ is
(i) directly proportional to the square of current $(I)$ for a given resistance
(ii) directly proportional to resistance $(R)$ for a given current, and
(iii) directly proportional to the time $(t)$ for which the current flows through the resistor
$H = I^{2} R t$
An electric stove uses high resistance.

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