A well-insulated electric water heater warms 131 kg of water from 20 °C to 43 °C in 30 minutes. Find the resistance of its heating element, which is connected across a 240 V potential difference. The specific heat of water is 4186 J/(kg °C). R =
A well-insulated electric water heater warms 131 kg of water from 20 °C to 43 °C in 30 minutes. Find the resistance of its heating element, which is connected across a 240 V potential difference. The specific heat of water is 4186 J/(kg °C). R =
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![A well-insulated electric water heater warms 131 kg of water from 20 °C to 43 °C in 30 minutes. Find the resistance of its heating element, which is connected across a 240 V potential difference. The specific heat of water is 4186 J/(kg °C).
\[ R = \, \text{Ω} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F73a49f30-5066-4bcb-bfde-0b28dc9bcf6a%2F787346f2-ef40-4b1b-90c8-6b242720db1c%2Fauwghtc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A well-insulated electric water heater warms 131 kg of water from 20 °C to 43 °C in 30 minutes. Find the resistance of its heating element, which is connected across a 240 V potential difference. The specific heat of water is 4186 J/(kg °C).
\[ R = \, \text{Ω} \]
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