College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Chapter P.6, Problem 21P
To determine
To find: The current and its direction to hold the loop steady in a horizontal plane.
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UPVOTE WILL BE GIVEN. PLEASE WRITE THE SOLUTIONS LEGIBLY. NO LONG EXPLANATION NEEDED. ANSWER IN 2 DECIMAL PLACES.
Criterion A: Knowing and understanding
i. state scientific knowledge. (Max. 2 points)
A wire loop is moved from outside the magnetic field until it is fully inside the magnetic field. The
initial magnetic flux is 0 Wb, and the change in magnetic flux is 2.5 Wb. The magnetic field has a
strength of 0.031 T.
Calculate the area of the wire loop.
The following equations may be useful:
AP =
D = BLA
Round your answer to 3 significant figures.
BA
2.5 Wb
A
0.031 T
A =
m²
||
||
B
INSTRUCTION
Solve the following problems. ANSWER ONLY TWO OUT OF THREE QUESTIONS.
Show your complete solutions. NOT FOLLOWING OF INSTRUCTIONS will be a
deduction of 10 POINTS from the total score.
1.A proton enters a magnetic tield of flux density 1.5 Wb/m² with a vetocity of
2.0 x 107 m/s at an angle of 30° with the field. Compute the force on the
proton.
2.A steady current of 2 A in a coil of 400 turns causes a flux of 104 wb to link
(pass through) the loops of the coil. Compute the average back emf induced
in the coit it the current is stopped in 0.08 seconds.
3. A coil of 50 loops is pulled in 0.020 seconds from between the poles of a
magnet, where its area intercepts a flux of 3.1 x 10-4 Wb, to a place where the
intercepted flux is 0.10 x 10-4 Wb. Determine the average emf induced.
Chapter P Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. P.1 - Prob. 1PCh. P.1 - The following questions are related to the passage...Ch. P.1 - The following questions are related to the passage...Ch. P.1 - Prob. 4PCh. P.1 - Animal Athletes Different animals have very...Ch. P.1 - Animal Athletes Different animals have very...Ch. P.1 - Animal Athletes Different animals have very...Ch. P.1 - Animal Athletes Different animals have very...Ch. P.1 - Animal Athletes Different animals have very...Ch. P.1 - The drag force on an object moving in a liquid is...
Ch. P.1 - The drag force on an object moving in a liquid is...Ch. P.1 - Sticky Liquids BIO The drag force on an object...Ch. P.1 - The drag force on an object moving in a liquid is...Ch. P.1 - Pulling Out of a Dive Falcons are excellent fliers...Ch. P.1 - Pulling Out of a Dive Falcons are excellent fliers...Ch. P.1 - Pulling Out of a Dive Falcons are excellent fliers...Ch. P.1 - Bending Beams If you bend a rod down, it...Ch. P.1 - Bending Beams If you bend a rod down, it...Ch. P.1 - Bending Beams If you bend a rod down, it...Ch. P.1 - Additional Integrated Problems 20. You go to the...Ch. P.1 - If you stand on a scale at the equator, the scale...Ch. P.1 - Additional Integrated Problems Dolphins and other...Ch. P.2 - Prob. 1PCh. P.2 - Prob. 2PCh. P.2 - Prob. 3PCh. P.2 - Prob. 4PCh. P.2 - The following passages and associated questions...Ch. P.2 - The following passages and associated questions...Ch. P.2 - The following passages and associated questions...Ch. P.2 - The following passages and associated questions...Ch. P.2 - The following passages and associated questions...Ch. P.2 - Testing Tennis Balls Tennis balls are tested by...Ch. P.2 - Testing Tennis Balls Tennis balls are tested by...Ch. P.2 - Testing Tennis Balls Tennis balls are tested by...Ch. P.2 - Squid Propulsion Squid usually move by using their...Ch. P.2 - Squid Propulsion Squid usually move by using their...Ch. P.2 - Squid Propulsion Squid usually move by using their...Ch. P.2 - Squid Propulsion Squid usually move by using their...Ch. P.2 - Teeing Off A golf club has a lightweight flexible...Ch. P.2 - Teeing Off A golf club has a lightweight flexible...Ch. P.2 - Teeing Off A golf club has a lightweight flexible...Ch. P.2 - Teeing Off A golf club has a lightweight flexible...Ch. P.2 - Additional Integrated Problems Football players...Ch. P.2 - Additional Integrated Problems The unit of...Ch. P.2 - Additional Integrated Problems A 100 kg football...Ch. P.2 - Additional Integrated Problems A swift blow with...Ch. P.2 - Additional Integrated Problems A childs sled has...Ch. P.3 - Size and Life Physicists look for simple models...Ch. P.3 - Size and Life Physicists look for simple models...Ch. P.3 - Size and Life Physicists look for simple models...Ch. P.3 - Size and Life Physicists look for simple models...Ch. P.3 - Prob. 6PCh. P.3 - Prob. 7PCh. P.3 - Prob. 8PCh. P.3 - Prob. 9PCh. P.3 - Prob. 10PCh. P.3 - Prob. 11PCh. P.3 - Prob. 12PCh. P.3 - Prob. 13PCh. P.3 - Prob. 14PCh. P.3 - Passenger Balloons Long-distance balloon flights...Ch. P.3 - Passenger Balloons Long-distance balloon flights...Ch. P.3 - Passenger Balloons Long-distance balloon flights...Ch. P.3 - Prob. 18PCh. P.3 - Prob. 19PCh. P.3 - Prob. 20PCh. P.3 - Prob. 21PCh. P.4 - Waves in the Earth and the Ocean In December 2004,...Ch. P.4 - Waves in the Earth and the Ocean In December 2004,...Ch. P.4 - Waves in the Earth and the Ocean In December 2004,...Ch. P.4 - Waves in the Earth and the Ocean In December 2004,...Ch. P.4 - Waves in the Earth and the Ocean In December 2004,...Ch. P.4 - Prob. 6PCh. P.4 - Prob. 7PCh. P.4 - Prob. 8PCh. P.4 - Prob. 9PCh. P.4 - Prob. 10PCh. P.4 - Prob. 11PCh. P.4 - Prob. 12PCh. P.4 - Prob. 13PCh. P.4 - Prob. 14PCh. P.4 - Prob. 15PCh. P.4 - Prob. 16PCh. P.4 - In the Swing A rope swing is hung from a tree...Ch. P.4 - In the Swing A rope swing is hung from a tree...Ch. P.4 - In the Swing A rope swing is hung from a tree...Ch. P.4 - Additional Integrated Problems The jumping gait of...Ch. P.4 - Prob. 21PCh. P.5 - Scanning Confocal Microscopy Although modern...Ch. P.5 - If, because of a poor-quality objective, the light...Ch. P.5 - The resolution of a scanning confocal microscope...Ch. P.5 - Prob. 4PCh. P.5 - In a horses eye, the image of a close object will...Ch. P.5 - Prob. 6PCh. P.5 - A horse is looking straight ahead at a person who...Ch. P.5 - Prob. 8PCh. P.5 - Light of wavelength 600 nm in air passes into the...Ch. P.5 - Prob. 10PCh. P.5 - Prob. 11PCh. P.5 - 12. In human vision, the curvature of the cornea...Ch. P.5 - Prob. 13PCh. P.5 - 14. Figure V.2c shows the lens of the eye bringing...Ch. P.5 - The pupil of your eye is smaller in bright light...Ch. P.5 - People with good vision can make out an...Ch. P.5 - Prob. 17PCh. P.5 - Prob. 18PCh. P.6 - The Greenhouse Effect and Global Warming...Ch. P.6 - The Greenhouse Effect and Global Warming...Ch. P.6 - The Greenhouse Effect and Global Warming...Ch. P.6 - The Greenhouse Effect and Global Warming...Ch. P.6 - The Greenhouse Effect and Global Warming...Ch. P.6 - Prob. 6PCh. P.6 - Prob. 7PCh. P.6 - The following passages and associated questions...Ch. P.6 - Prob. 9PCh. P.6 - Prob. 10PCh. P.6 - Prob. 11PCh. P.6 - Electric Cars In recent years, practical hybrid...Ch. P.6 - Electric Cars In recent years, practical hybrid...Ch. P.6 - Electric Cars In recent years, practical hybrid...Ch. P.6 - Electric Cars In recent years, practical hybrid...Ch. P.6 - Wireless Power Transmission Your laptop has...Ch. P.6 - Wireless Power Transmission Your laptop has...Ch. P.6 - Wireless Power Transmission Your laptop has...Ch. P.6 - Wireless Power Transmission Your laptop has...Ch. P.6 - Additional Integrated Problems 20. A 20 resistor...Ch. P.6 - Prob. 21PCh. P.7 - Prob. 1PCh. P.7 - Prob. 2PCh. P.7 - Prob. 3PCh. P.7 - Prob. 4PCh. P.7 - Prob. 5PCh. P.7 - Prob. 6PCh. P.7 - Prob. 7PCh. P.7 - Prob. 8PCh. P.7 - Prob. 9PCh. P.7 - Prob. 10PCh. P.7 - Prob. 11PCh. P.7 - Prob. 12PCh. P.7 - Prob. 13PCh. P.7 - Prob. 14PCh. P.7 - Prob. 15PCh. P.7 - Prob. 16PCh. P.7 - Prob. 17PCh. P.7 - Prob. 18PCh. P.7 - Many speculative plans for spaceships capable of...Ch. P.7 - A muon is a lepton that is a higher-mass (rest...Ch. P.7 - A muon is a lepton that is a higher-mass (rest...
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