Three identical capacitors are connected in series across a potential source (battery). If a charge of Q flows into this combination of capacitors, how much charge does each capacitor carry?
A) 3Q
B) Q
C) Q/3
D) Q/9
B
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A _________ has a radius of about 10 km and is supported by the pressure associated with degenerate neutrons
a. black hole b. neutron star c. white dwarf d. supernova remnant e. red dwarf
The substance that comes from a nuclear reactor which is used to generate power is
A. graphite. B. radioactive materials. C. enriched uranium. D. high-pressure steam.
According to Newton, the greater the masses of interacting objects, the
A) less the gravitational force between them. B) greater the gravitational force between them. C) greater the force between them by the square of the masses.
What is the most accurate way to determine the distance to a relatively nearby star (within the Milky Way)?
A) radar ranging B) stellar parallax C) using Cepheid variables D) using white dwarf supernovae E) applying Hubble's law