Question

Sebum
20. Read the following and answer any four questions from 20 (i) to 20 (iv)
When an electric current is passing through a high resistance wire like nichrome wire,
the resistance wire becomes very hot and produces heat. Heat provided is given by:
H=1?Rt
Where, I Current,
R Resistance, T time for which current is passed
If the current passing through a conductor is doubled, the change in heat produced
will becomes
a) two times b) three times c) four times d) none of these​

Answer 1

Answer:

$1. \: i \\ 2. \: iii \\ 3. \: iv \\ 4. \: ii$

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