Question

100j of heat are produced each second in a 4resistance find its potential difference across the resister class10

Answer 1

Answer:

20v

Explanation:

assuming the resistor is of 4 ohms

Power= heat/time= 100/1=100 J/s

P=V^2 / R

or V=(P*R)^(1/2)= (400)^(1/2)=20