220 joules of heat is produced in each second in a 8 ohm resistor find the potential difference across the resistor
Answers
Answered by
25
Answer:
Explanation:
Heat produced = 220J (Given)
Time = 8 sec (Given)
Heat = I² RT joules
According to ohm's law V=IR
So I = V/R
Substituting I we get
V²/ R² × RT joules
= V²T/R joules
= 220 = V² × 1 sec/ 8 ohms
= 220 × 8 = v²
= ~ 44
Thus, the potential difference across the resistor is 44
Similar questions