Resonance occurs in an AC series circuit when which of the following conditions is met?
a. resistance equals capacitive reactance
b. resistance equals inductive reactance
c. capacitive reactance equals inductive reactance
d. capacitive reactance equals zero
c
You might also like to view...
Due to the presence of ice crystals in nearly frozen liquid water, the density of water is
A) lower. B) unaffected. C) higher.
The two masses in the figure are released from rest. After the 3.0-kg mass has fallen 1.5 m, it is moving with a speed of 3.8 m/s. What is the change in mechanical energy done on the system during this time interval by the frictional force on the 2.0 kg mass?
A. ?12 J B. ?17 J C. ?20 J D. ?8.0 J E. ?28 J
In an astronomical telescope the secondary mirror is
a. concave. b. convex. c. spherical. d. plane.
Thunder is heard 2.2 seconds after Lightning is observed in Arizona when the temperature is 50°C. The best estimate of how far away the lightning struck is nearest:
(A) 820 m (B) 790 m (C) 730 m (D) 650 m