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Heating Effect of Electric Current

Two conductor...

Question

Two conductors of resistance $2 R$ and $R$ are connected in series in a battery circuit. The ratio of heats developed in them is

A

2 : 1

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B

1 : 2

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C

1 : 3

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D

1 : 4

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Solution

The correct option is A $2 : 1$
heat developed is proportion to Resistance :
$\frac{H_{2}}{H_{2}} = \frac{R_{2}}{R_{1}} = \frac{2}{1}$

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