Question
Question: An electric heater of resistance 6 ohm is run for 10 minutes on a 120 volt line. The energy liberate...
An electric heater of resistance 6 ohm is run for 10 minutes on a 120 volt line. The energy liberated in this period of time is
A
7.26mu×6mu1036muJ
B
14.4×6mu1056muJ
C
43.26mu×6mu1046muJ
D
28.86mu×6mu1046muJ
Answer
14.4×6mu1056muJ
Explanation
Solution
By using H=RV2t
⇒ H=6(120)2×10×60=14.4×105J