subject
Physics, 08.06.2021 21:20 Jazlinmoreno5683

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

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 20:30, LunaSpellman
Which statement best describes how private industry decides where to spend the money on research and development
Answers: 1
image
Physics, 22.06.2019 10:00, he0gaubong
Which atomic model was proposed as a result of j. j. thomson’s work?
Answers: 1
image
Physics, 22.06.2019 14:30, zuleromanos
70 give a real life example showing how sensory neurons work with the motor neurons
Answers: 2
image
Physics, 22.06.2019 15:00, hma9153
Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.
Answers: 1
You know the right 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
English, 09.04.2020 23:51