A coil has an area of 100 cm? with 181 turns connected across a 5.00 Q resistor to form a closed circuit as in the figure. Initially, a 1.7 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 1.7 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? R Select one: A. 6.15 В. 12.31 С. 13.85 D. 3.08 E. 16.92

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Chapter1: Units, Trigonometry. And Vectors
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A coil has an area of 100 cm²
with 181 turns connected across a
5.00 Q resistor to form a closed circuit
as in the figure. Initially, a 1.7 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 1.7 I 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:
A. 6.15
B. 12.31
C. 13.85
D. 3.08
E. 16.92
Transcribed Image Text:A coil has an area of 100 cm² with 181 turns connected across a 5.00 Q resistor to form a closed circuit as in the figure. Initially, a 1.7 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 1.7 I 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: A. 6.15 B. 12.31 C. 13.85 D. 3.08 E. 16.92
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