A 0.10-?F capacitor is connected to a 120-V rms 60-Hz source
(a) What is its capacitive reactance?
(b) What is the rms current to the capacitor?
(c) If both the capacitance and the frequency were doubled, what would be the rms current?
What will be an ideal response?
(a) 27 kΩ (b) 4.5 mA (c) 18 mA
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A) 1.0 × 108 m/s B) 2.0 × 108 m/s C) 3.0 × 108 m/s D) 4.0 × 108 m/s E) 5.0 × 108 m/s
Emission nebulae are also called _____
A) dark nebulae B) H II regions C) reflection nebulae D) N II regions
The smallest amount of a fissionable material that will give a self-sustaining chain reaction is called the
a. mass defect. b. mass number. c. atomic mass. d. critical mass.
What type of meteorite is the most abundant? Most easily found? Why the difference?
What will be an ideal response?