Motional EMF Video Lessons

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Problem: The earth's magnetic field strength is 5.0x10-5 T. How fast would you have to drive your car to create a 4.0 V motional emf along your 1.0 m -long radio antenna? Assume that the motion of the antenna is perpendicular to .

FREE Expert Solution

Induced emf:

ε=-dϕdt

Magnetic flux:

ϕ=BAcos θ

θ = 0°

Φ = BA

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Problem Details

The earth's magnetic field strength is 5.0x10-5 T. How fast would you have to drive your car to create a 4.0 V motional emf along your 1.0 m -long radio antenna? Assume that the motion of the antenna is perpendicular to \vec {B}.

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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.

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Based on our data, we think this problem is relevant for Professor Dinsmore's class at LU.