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  • Calculate the rate at which heat is developed in the heat...
Multiple choice

Calculate the rate at which heat is developed in the heater, if it has resistance 8 ohm and 15 ampere current passes through it for 2 hours.

  1. 3600 J

  2. 900 J

  3. 0.0011 J

  4. 0.016 J

  5. 60 J

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

R = 8 ohmI = 15 AT = 2 hrH = I2RTH = 152 x 8 x 2H = 3600 J

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