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Question
The capacitance of a cylindrical capacitor can be increased by:A) decreasing both the radius of the inner cylinder and the length
B) increasing both the radius of the inner cylinder and the length
C) increasing the radius of the outer cylindrical shell and decreasing the length
D) decreasing the radius of the inner cylinder and increasing the radius of the outer cylindrical shell
E) only by decreasing the length
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The intensity of the microwave background radiation, a remnant of the big bang:
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D) is proportional to the square of the distance from us
E) is nearly the same in all directions
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C) one quark and two antiquarks
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Any meson is a combination of:
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Q:
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Q:
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Strangeness is conserved in:
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A) a proton
B) an omega minus
C) a sigma
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Q:
A neutral lepton cannot decay into two neutrinos. Of the following conservation laws, which would be violated if it did?
A) Energy
B) Baryon number
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D) Angular momentum
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Q:
An electron participates in:
A) the electromagnetic and weak forces only
B) the strong and weak forces only
C) the electromagnetic and gravitational forces only
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Q:
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A) photon
B) pion
C) neutrino
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The microwave background radiation is a result of the big bang. The big bang also resulted in a uniform distribution of background:
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C) gluons
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Compared to fusion in a tokamak, laser fusion makes use of:
A) smaller particle number densities
B) greater particle number densities
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D) higher temperatures
E) lower temperatures
Q:
For a controlled nuclear fusion reaction, one needs:
A) high number density nand high temperature T
B) high number density nand low temperatureT
C) low number density nand high temperature T
D) low number density nand low temperature T
E) high number density nand temperature T = 0 K
Q:
The first step of the proton-proton cycle is:
Q:
Nuclear fusion in the Sun is increasing its supply of:
A) hydrogen
B) helium
C) nucleons
D) positrons
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Q:
The purpose of a moderator in a nuclear reactor is to:
A) provide neutrons for the fission process
B) slow down fast neutrons to increase the probability of capture by uranium
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In the normal operation of a nuclear reactor:
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The energy supplied by a thermal neutron in a fission event is essentially its:
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B) binding energy
C) kinetic energy
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When 236U fissions the fragments are:
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B) always identical
C) never 140Xe and 94Sr
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Q:
A certain nucleus, after absorbing a neutron, emits a and then splits into two alpha particles. The (A, Z) of the original nucleus must have been:A) 6, 2B) 6, 3C) 7, 2D) 7, 3E) 8, 4
Q:
Radioactive polonium, 214Po (Z= 84), decays by alpha emission to:
A) 214Po (Z= 84)
B) 210Pb (Z= 82)
C) 214At (Z= 85)
D) 218Po (Z= 84)
E) 210Bi (Z= 83)
Q:
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Q:
Bombardment of 28Si (Z= 14) with alpha particles may produce:
A) a proton and 31P (Z= 15)
B) hydrogen and 32S (Z= 16)
C) a deuteron and 27Al (Z= 13)
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E) 35Cl (Z= 17)