Author Question: If the frequency of the AC voltage across an inductor is doubled, the inductive reactance of that ... (Read 93 times)

waynest · **on:** Jul 27, 2018

If the frequency of the AC voltage across an inductor is doubled, the inductive reactance of that inductor

A) decreases to one-half its original value.
B) increases to twice its original value.
C) decreases to one-fourth its original value.
D) increases to 4 times its original value.

Question 2

A mass attached to the free end of an ideal spring executes SHM according to the equation x = 0.50 sin(18. t) where x is in meters and t is in seconds. What is the maximum velocity of the mass?

A) 3 m/s
B) 3 m/s
C) 9 m/s
D) 36 m/s
E) 3 m/s