A small immersion heater can be used in a car to heat a cup


A small immersion heater can be used in a car to heat a cup of water for coffee or tea. If the heater can heat 120mL of water from 25 degree C to 95 degree C in 8.5min. Assume the manufacturer's claim of 65% efficiency.

part A. Approximately how much current does it draw from the car's 12-V battery?

part B. What is its resistance?

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Physics: A small immersion heater can be used in a car to heat a cup
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