Motional EMF Video Lessons

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Problem: A 10 cm long zero resistance wire is pushed towards the 2.0 Ω resistor with a steady speed of 0.5 m/s as shown in the figure below. A magnetic field of 0.5 T is directed out of the page as shown. What is the rate of change of flux?A) ZeroB) 0.025 T•m2/sC) 0.115 T•m2/sD) 0.05 T•m2/sE) None of the above

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Problem Details

A 10 cm long zero resistance wire is pushed towards the 2.0 Ω resistor with a steady speed of 0.5 m/s as shown in the figure below. A magnetic field of 0.5 T is directed out of the page as shown. What is the rate of change of flux?

A) Zero

B) 0.025 T•m2/s

C) 0.115 T•m2/s

D) 0.05 T•m2/s

E) None of the above

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Motional EMF concept. You can view video lessons to learn Motional EMF. Or if you need more Motional EMF practice, you can also practice Motional EMF practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 1 minute and 38 seconds to solve this problem. You can follow their steps in the video explanation above.