Aconducting loop of radius 1.50 cm and resistance 8 × 10−6ω is perpendicular to a uniform magnetic field of magnitude 23.0 × 10−6t. the field magnitude drops to zero in 7 ms. how much thermal energy is produced in the loop by the change in the magnetic field?

To solve this problem it is necessary to apply the concepts related to electromotive force or induced voltage.

By definition we know that the induced emf in the loop is equal to the negative of the change in the magnetic field, that is,

Where A is the area of the loop, B the magnetic field and t the time.

Replacing with our values we have that

Therefore the thermal energy produced is given by

The thermal energy produced in the loop is

graphing motion: mastery test

209be

what is the instantaneous acceleration of

the particle at point b?

0 meters/second?

10 meters/second?

12 meters/second?

velocity imetersisecond

15 meters/second?

20

time (seconds)

answer: 0 meters/second^2

true is the correct answer

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