Physics
Physics, 08.06.2021 21:10, timozy95

At 20 ◦C a copper wire has a resistance of 4×10−3 Ω and a temperature coefficient of resistivity of 3.9×10−3 (C◦)−1, its resistance at 100 ◦C is A.
52.5 × 10-3 Ω
B.
5.25 × 10-3 Ω
C.
5.25 × 10-4 Ω
D.
5.25 × 10-2 Ω

E.
25.5 × 10-3 Ω

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 00:00, sydneydavis57
Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?
Answers: 1
image
Physics, 22.06.2019 01:30, chandranewlon
Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j
Answers: 1
image
Physics, 22.06.2019 17:30, jarteria0
Which of the following is the best name for mgcl2
Answers: 2
image
Physics, 22.06.2019 23:50, elijah1090
Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency
Answers: 2
Do you know the correct answer?
At 20 ◦C a copper wire has a resistance of 4×10−3 Ω and a temperature coefficient of resistivity of...

Questions in other subjects:

Konu
History, 23.02.2021 22:40
Konu
Mathematics, 23.02.2021 22:40
Konu
Mathematics, 23.02.2021 22:40
Konu
Mathematics, 23.02.2021 22:40