Physics, 08.09.2020 14:01, squirt3747
Two concentric circular loops of radii b and 2b, made of the same type of wire, lie in the plane of the page, as shown below. The total resistance of the wire loop of radius b is R. What is the resistance of the wire loop of radius 2b?
a. R2b=R/4
b. R2b=2R
c. R2b=R
d. R2b=R/2
e. R2b=4R
Answers: 2
Physics, 21.06.2019 23:00, POOPINgligma
Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?
Answers: 1
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