When an LCR series circuit is in resonance, its impedance is: a. ...

[lracut11]

When an LCR series circuit is in resonance, its impedance is:
 a. a maximum.
  c. zero.
  b. equal to its resistance.
  d. p/2 W.

Question 2

In the afternoon, the decibel level of a busy freeway is 80 dB with 100 cars passing a given point every minute. Late at night, the traffic flow is only 8 cars per minute. What is the late-night decibel level?
 a. 77 dB
  c. 70 dB
  b. 74 dB
  d. 69 dB

[brittanywood]

Answer to Question 1

B

Answer to Question 2

D