What is the average power dissipation in a series RC circuit if R = 6.35 k?, C = 2.64 µF, and V = (192 V) cos 115t?
a. 2.29 W
b. 5.81 W
c. 2.90 W
d. 3.23 W
e. 6.47 W
a
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A typical ring particle is about the size of a snowball
Indicate whether the statement is true or false
A boat floating in a large pool is loaded with solid iron bars. The water level at the pool's edge is marked with a red line. The iron is now thrown overboard. When the water becomes calm again,
A. the red line is slightly lower than the water level. B. the red line is still at the water level. C. the red line is slightly higher than the water level.
One-third as much net force is exerted on object A as on object B. The two objects have the same mass. How do their accelerations compare?
A) Object A has one-sixth as much acceleration as object B. B) Object A has three times as much acceleration as object B. C) Object A has one-third as much acceleration as object B. D) They both have the same acceleration. E) It is impossible to answer this without further information about the two objects.
After landing on an unexplored Klingon planet, Spock tests for the direction of the magnetic field by firing a beam of electrons in various directions and by recording the following observations: Electrons moving upward feel a magnetic force in
the northwest direction. Electrons moving horizontally toward the north are pushed downward. Electrons moving horizontally toward the southeast are pushed upward. Mr. Spock therefore concludes that the magnetic field at this landing site is in which direction? A) toward the east B) toward the northeast C) toward the southwest D) toward the southeast E) toward the west