Learning Goal: To practice Problem-Solving Strategy 25.1 Electromagnetic induction. A loop of wire of radius a = 40. mm has an electrical resistance R = 0.036 2. The loop is initially inside a uniform magnetic field of magnitude Bo=1.6 T parallel to the loop's axis. The magnetic field is then reduced slowly at a constant rate, which induces a current I = 0.20 A in the loop. How long does it take for the magnitude of the uniform magnetic field to drop from 1.6 T to zero?
Learning Goal: To practice Problem-Solving Strategy 25.1 Electromagnetic induction. A loop of wire of radius a = 40. mm has an electrical resistance R = 0.036 2. The loop is initially inside a uniform magnetic field of magnitude Bo=1.6 T parallel to the loop's axis. The magnetic field is then reduced slowly at a constant rate, which induces a current I = 0.20 A in the loop. How long does it take for the magnitude of the uniform magnetic field to drop from 1.6 T to zero?
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Transcribed Image Text:Part C
Find the time At it takes the magnetic field to drop to zero.
Express your answer in seconds using two significant figures.
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At =
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Transcribed Image Text:Learning Goal:
To practice Problem-Solving Strategy 25.1
Electromagnetic induction.
A loop of wire of radius a = 40. mm has an electrical
resistance R = 0.036 2. The loop is initially inside a
uniform magnetic field of magnitude Bo = 1.6 T parallel
to the loop's axis. The magnetic field is then reduced
slowly at a constant rate, which induces a current I =
0.20 A in the loop. How long does it take for the
magnitude of the uniform magnetic field to drop from 1.6
T to zero?
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