100 joule of heat is produced each second in a 4ohm resistance. Potential difference across the resistor

#Physics #Class 11

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100 joule of heat is produced each second in a 4ohm resistance. Potential difference across the resistor

Prince verma 5th Jun, 2019

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Answer (1)

Shoaib Akhtar 28th Jun, 2019

hi prince

from joules law ohheatinh

h=i^2RT

which indicates

H/T =V^2/R

100=V^2/4

V^2=400

V=20

i hope you have got your answer .it should be noted that the rate of the heat is given and not just the heat .further convert the current I in terms v/r in the above equations

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