An electric heater of resistance 5 ohm is connected to the electric source.If a current of 6 ampere flows through the heater. What will be the heat produced in 5 minutes
Answers
Answer:
Heat energy = H= I^2Rt
= (15)^2×500×30×60. •1min=60sec
H=202500000J
H=202.5MJ. •1MJ=10^6J
3.9
Heat produced =5400 J
Given:
An electric heater of resistance 5 ohm.
Current of 6 ampere flows through the heater.
Time = 5 minutes.
To find:
The heat produced.
Formula used:
H = I²Rt
Where H = Heat produced.
I = Current.
R = resistance.
t = Time.
Explanation:
Given that I = 6 amp. R = 5 ohm. t= time=5 minute= 5×60 = 300 sec.
Heat produced = I²Rt
Heat produced = 6²×5×30
Heat produced = 36 × 150
Heat produced =5400 J
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