Problem 27.39: Step-by-Step Part A What physics concept is this question explonn

Question

Problem 27.39: Step-by-Step Part A What physics concept is this question explonng? A square wire loop 30 m on a side is perpendicular to a uniform magnetic field of 20 T A6VIghtbulb is in series with the loop, as shown in the figure The Ohm's law where AV is 6 magnetic field is reduced steadily to zero over a time period (Eigure 1) conservation of fishsticks magnetic force on a square loop of wire current created by changing magnetic flux through the loop with the lightbulb conservation of currents within magnetic fields Suomit My Answers Give Up Figure 1 of 1 Part B s there magnetic flux through the square wire loop with the light bulb and is it changing? no yes, not changing yes, changing Submit My Answers Give Up sion mastering physics.com/myct/temview?assignmentProblemlo 765654018offset-next

Explanation / Answer

L = 3 m , B = 2 T, V = 6 V

Part A:

current created by change in magnetic flux through the loop with lightbulb

Part B:

Yes, changing

Part C:

flux = NBAcos(theta)

Correct option is

moving the loop within the magnetic filed keeping the same orientation but not leaving the area of the magnetic filed.

Part D;

correct option is -2 T

Part E:

DV = A(DB/Dt)

6 = 3*3*2/t

t = 3 s

correct option is 3 s

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