Question 11

You have two immersion heaters A and B, each connected to a 120 V supply. Heater A can raise 1 liter of water from room temperature to 90 degrees C in two minutes, while heater B can raise 5 liters of water from room temperature to 90 degrees C in five minutes. What is the ratio of the resistance of heater A to the resistance of heater B?

• A. 2
• B. 1/2
• C. 5
• D. 2.5
• E. Depends on room temperature
• F. Not close to any of the above

Formula Sheet

Question 10

Question 12

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