In an AC series circuit the capacitive reactance is 253 W and frequency is 100 Hz. What is the capacitance?
a. 6.29 mF
c. 50.0 mF
b. 8.0 mF
d. 3.2 mF
Question 2
A 1.5-m string is held fixed at both ends. When driven by a 180-Hz source, the string vibrates in 3 distinct segments. What is the natural fundamental frequency of the string?
a. 30 Hz
c. 90 Hz
b. 60 Hz
d. 540 Hz