A coil has an area of 100 cm2 with 297 turns connected across a 5.00 Q resistor to form a closed circuit as in the figure. Initially, a 1.8 T uniform magnetic field points upward through the plane of the coil. The direction of the field then reverses so that the final magnetic field has a magnitude of 1.8 T and points downward through the coil. If the time interval required for the field to reverse directions is 0.100 s, what is the average current (in units of A) in the coil during that time? B R Select one: А. 10.69 B. 5.35 C. 29.40 D. 21.38

University Physics Volume 2
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Chapter13: Electromagnetic Induction
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Problem 33P: A single-turn circular loop of wire of radius 50 mm lies in a plane perpendicular to a spatially...
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A coil has an area of 100 cm2
with 297 turns connected
across a 5.00 Q resistor to
form a closed circuit as in the
figure. Initially, a 1.8 T uniform
magnetic field points upward
through the plane of the coil.
The direction of the field then
reverses so that the final
magnetic field has a
magnitude of 1.8 T and points
downward through the coil. If
the time interval required for
the field to reverse directions
is 0.100 s, what is the average
current (in units of A) in the
coil during that time?
B
Select one:
А. 10.69
B. 5.35
C. 29.40
D. 21.38
Transcribed Image Text:A coil has an area of 100 cm2 with 297 turns connected across a 5.00 Q resistor to form a closed circuit as in the figure. Initially, a 1.8 T uniform magnetic field points upward through the plane of the coil. The direction of the field then reverses so that the final magnetic field has a magnitude of 1.8 T and points downward through the coil. If the time interval required for the field to reverse directions is 0.100 s, what is the average current (in units of A) in the coil during that time? B Select one: А. 10.69 B. 5.35 C. 29.40 D. 21.38
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