A well-insulated electric water heater warms 121kg of water
A well-insulated electric water heater warms 121kg of water from 20.0° C to55.0° C in27.0min. Find the resistance of its heating element, which is connected across a 240-V potential difference.
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a well-insulated electric water heater warms 121kg of water from 200deg c to550deg c in270min find the resistance of
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