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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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D) is proportional to the square of the distance from us
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Any meson is a combination of:
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Q:
In a photoelectric effect experiment at a frequency above cut off, the stopping potential is proportional to:
A) the energy of the least energetic electron before it is ejected
B) the energy of the least energetic electron after it is ejected
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D) the energy of the most energetic electron after it is ejected
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Q:
In a photoelectric effect experiment at a frequency above cut off, the number of electrons ejected is proportional to:
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Q:
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A particle with zero mass and energy Ecarries momentum:
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Q:
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Q:
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Q:
Pi mesons at rest have a half-life of T.If a beam of pi mesons is traveling at a speed of, the distance in which the intensity of the beam is halved is:
Q:
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Q:
Figure (i) shows a double-slit pattern obtained using monochromatic light. Consider the following five possible changes in conditions:
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2) increase the frequency
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4) increase the separation between the slits
5) decrease the separation between the slits
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Q:
The resolving power of a telescope can be increased by:
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Q:
Light of wavelength 480 nm falls on a slit of width 3.5 m. What is the relative intensity (that is, the value of I/Im) of the diffraction pattern at an angle of 18?
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Q:
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