At what frequency will a 12-?F capacitor have a reactance XC = 300??
a. 44 Hz
b. 88 Hz
c. 180 Hz
d. 350 Hz
e. 280 Hz
a
You might also like to view...
Three satellites are launched into space connected together. Once in deep space, an explosive charge separates the three satellites and they move apart. The satellites each have different masses with m1 < m2 < m3 . Which of the following statements is always true?
a. The one with mass m1 receives the greatest impulse. b. The one with mass m3 receives the greatest impulse. c. The all must receive equal impulses. d. Although one or more of the above statements could be true in special cases, they are not always true.
If you see a body in space that is not moving in a straight line at constant speed, what can you say about it?
A. It is not subject to any outside forces. B. It must be an artificial satellite. C. There must be a net force acting on it. D. None of these choices is correct.
The supernova of 1054 AD produced:
A) a remnant still visible to the naked eye, the Crab Nebula, M-1. B) a pulsar with a period of 33 milliseconds, visible optically. C) the closest known neutron star to our Sun. D) the most famous black hole. E) no remaining visible trace, as it was a type I supernova.
What is the composition of Jupiter?
a. mostly carbon dioxide and methane b. mostly methane c. mostly helium and carbon dioxide d. mostly nitrogen e. mostly hydrogen and helium