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Question
An inductor with inductance Land a resistor with resistance Rare wired in series to an ideal battery with emf
. A switch in the circuit is closed at time t= 0, at which time the current is zero. A long time after the switch is thrown the potential differences across the inductor and resistor are:A) 0,
B)
, 0C)
/2, /2D) (L/R)
, (R/L)E) unknown since the rate of change of the current is not given
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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Q:
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Any meson is a combination of:
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C) one quark and two antiquarks
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Q:
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E) only mesons
Q:
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Q:
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Strangeness is conserved in:
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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?
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B) Baryon number
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Q:
An electron participates in:
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Q:
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C) gluons
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Q:
Compared to fusion in a tokamak, laser fusion makes use of:
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B) greater particle number densities
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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:
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Q:
The purpose of a moderator in a nuclear reactor is to:
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Q:
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The energy supplied by a thermal neutron in a fission event is essentially its:
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Q:
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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)