Series Resonance: A series RLC circuit has a 100-? resistor, a 0.100-?F capacitor and a 2.00-mH inductor connected across a 120-V rms ac voltage source operating at 1000/? Hz. What is the resonant frequency of this circuit?
A. 70.7 kHz
B. 17.9 kHz
C. 22.5 kHz
D. 35.3 kHz
E. 11.3 kHz
Answer: E
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Indicate whether the statement is true or false
That matter is composed of quarks was first proposed by
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A charge Q accumulates on the hollow metallic dome, of radius R, of a Van de Graaff generator. A probe measures the electric field strength at various points outside the sphere surface. If the probe is initially at a distance 2R from the sphere's center and then is moved to 3R, by what factor will the electric field reading change?
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