Physics, 02.07.2021 21:10 maguilarz2005
The resistance of a copper wire is measured to be 3.90 Ω at 21.1°C. What is the resistance of this wire at 39.0°C? The temperature coefficient for copper is = 3.9 ✕ 10−3 °C−1.
Answers: 1
Physics, 22.06.2019 03:50, am2garcia5
A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
Answers: 3
The resistance of a copper wire is measured to be 3.90 Ω at 21.1°C. What is the resistance of this w...
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