Motional emf via Faraday's Law

Motional emf via Faraday's Law

Assessment

Interactive Video

Physics, Science, Engineering

11th Grade - University

Hard

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The video tutorial explores the derivation of the motional EMF equation using two different methods. Initially, it introduces the concept of a conducting loop and the changing magnetic flux, leading to an induced EMF and current. Lenz's law is applied to determine the direction of the induced current. The tutorial then uses Faraday's law to calculate the magnitude of the induced EMF. Finally, it derives the motional EMF equation, highlighting the differences in approach and the use of trigonometric functions. The session concludes with a summary and appreciation for the learning process.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What role does the resistance of the circuit play in the induced current?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the direction of the induced current relate to the direction of the magnetic field?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the differences between using sine and cosine in the equations for motional EMF.

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