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Question
You are facing a loop of wire which carries a clockwise current of 3.0 A and which surrounds an area of 5.8 x 10-2m2. The magnetic dipole moment of the loop is:
A) 3.0 A.m2, into the page
B) 3.0 A.m2, out of the page
C) 0.17 A.m2, into the page
D) 0.17 A.m2, out of the page
E) 0.17 A.m2, left to right
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
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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:
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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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Q:
A particle with rest mass m moves with speed 0.6c. Its kinetic energy is:
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Q:
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Q:
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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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B) 5 only
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Q:
The resolving power of a telescope can be increased by:
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B) increasing the lens diameters
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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?
A) 2.4 x 10-4
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E) 1.0
Q:
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