Author Question: When an electric current exists within a conducting wire, which of the following statements ... (Read 40 times)

lbcchick · **on:** Jul 28, 2018

When an electric current exists within a conducting wire, which of the following statements describes the condition of any accompanying electric field?
a. must be perpendicular to current flow
b. must be parallel to current flow
c. must be zero
d. must be anti-parallel (opposite direction) to current flow

Question 2

An automobile accelerates from zero to 30 m/s in 6.0 s. The wheels have a diameter of 1.0 m. What is the average angular acceleration of each wheel?
a. 5.0 rad/s2
c. 25 rad/s2
b. 10 rad/s2
d. 40 rad/s2