A certain resistance was measured to be 30 ohm at 20°C and 40 ohm at 70°C. Find the temperature coefficient (in per °C ) at 0°C. (Use 4 decimal places. Unit is not required.)
A certain resistance was measured to be 30 ohm at 20°C and 40 ohm at 70°C. Find the temperature coefficient (in per °C ) at 0°C. (Use 4 decimal places. Unit is not required.)
Chapter19: Special-purpose Outlets-water Pump, Water Heater
Section19.2: Water Heater Branch Circuit
Problem 4R: The heating elements in electric water heaters are generally classified into two categories. These...
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A certain resistance was measured to be 30 ohm at 20°C and 40 ohm at 70°C. Find the temperature coefficient (in per °C ) at 0°C. (Use 4 decimal places. Unit is not required.)
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