RLC Circuits: What is the phase angle between the voltages of the inductor and capacitor in a RLC series circuit?
A. 0°
B. 45°
C. 90°
D. 180°
E. 270°
Answer: D
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A bowling ball-size probe from a spaceship and a pebble-size object land on a large asteroid that is far from any star. After a long period of time has passed, it is highly probable that the pebble and the probe
A. have each had the same change in temperature. B. have each had the same change in volume. C. are in thermal equilibrium with one another. D. are not in thermal equilibrium with one another. E. are in thermal equilibrium with one another, but are not at the same temperature.
The distance to an imaginary star is 2 pc when measured via parallax. What will this distance be when represented using Astronomical Units?
A) 4.12 x 105 AU B) 6.79 x 104 AU C) 2.34 x 102 AU D) 9.11 x 107 AU
Which of the following colors has the shortest wavelength?
A. violet B. yellow C. green D. red E. blue
A vertical cylindrical cylinder, closed at the bottom end, is fitted at the top with a piston, which can move freely
The mass of the piston is 10.0 kg and the initial height of the piston above the bottom of the cylinder is 25 cm. A mass of 8 kg is placed on the piston. What is the resulting height of the piston, assuming that the temperature is kept constant? A) 12 cm B) 13 cm C) 14 cm D) 15 cm E) 16 cm