Author Question: When a 50-mF capacitor is attached to an AC source, its capacitive reactance is 60 W. If instead a ... (Read 85 times)

theo · **on:** Jul 28, 2018

When a 50-mF capacitor is attached to an AC source, its capacitive reactance is 60 W. If instead a 200-mF capacitor is attached to the same source, what will be its capacitive reactance?
a. 80 W
c. 30 W
b. 15 W
d. 120 W

Question 2

For a standing wave on a string, the wavelength must equal:
a. the distance between adjacent nodes.
b. the distance between adjacent antinodes.
c. twice the distance between adjacent nodes.
d. the distance between supports.