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Question
A 6.0-mH inductor and a 3.0-
resistor are wired in series to a 12-V ideal battery. A switch in the circuit is closed at time t= 0, at which time the current is zero. 2.0 ms later the energy stored in the inductor is:
A) 0 J
B) 9.6 x10-3J
C) 1.9 x10-2J
D) 2.5 x10-2J
E) 3.8x10-2J
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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B) is least in directions toward the center of the galaxy
C) is proportional to the reciprocal of the distance from us
D) is proportional to the square of the distance from us
E) is nearly the same in all directions
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A) 105y
B) 1010y
C) 1015y
D) 1020y
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Q:
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Q:
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Q:
Any meson is a combination of:
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B) two quarks and an antiquark
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Q:
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C) all strongly interacting particles
D) only strange particles
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Q:
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Q:
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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
C) Linear Momentum
D) Angular momentum
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Q:
An electron participates in:
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B) the strong and weak forces only
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Q:
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C) neutrino
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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
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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:
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B) helium
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Q:
The purpose of a moderator in a nuclear reactor is to:
A) provide neutrons for the fission process
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The energy supplied by a thermal neutron in a fission event is essentially its:
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When 236U fissions the fragments are:
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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:
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B) hydrogen and 32S (Z= 16)
C) a deuteron and 27Al (Z= 13)
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E) 35Cl (Z= 17)