Author Question: In a certain material there is a current of 16 A flowing through a surface to the left, and there is ... (Read 124 times)

mpobi80 · **on:** Jul 28, 2018

In a certain material there is a current of 16 A flowing through a surface to the left, and there is an equal amount of positive and negative charge passing through the surface producing the current. How much negative charge passes through the surface?
a. 16 C/s toward the left
c. 8 C/s toward the right
b. 16 C/s toward the right
d. 8 C/s toward the left

Question 2

A disk has a moment of inertia of 3.0 10-4 kgm2 and rotates with an angular speed of 3.5 rad/sec. What net torque must be applied to bring it to rest within 3.7 s?
a. 4.6 10-4 Nm
c. 3.5 10-4 Nm
b. 7.5 10-4 Nm
d. 2.8 10-4 Nm