Author Question: In an AC circuit operating at a frequency where the phase angle with respect to the current is 30, ... (Read 77 times)

cabate · **on:** Jul 28, 2018

In an AC circuit operating at a frequency where the phase angle with respect to the current is 30, what happens to the phase angle if the capacitance of the circuit is increased?
a. It increases.
c. nothing
b. It decreases.
d. It decreases and can become zero.

Question 2

What sound level change most nearly corresponds to a factor of three change in intensity?
a. 0.5 dB
c. 3 dB
b. 2 dB
d. 5 dB