Lesson: Motion Induced emfPhysics
In this lesson, we will learn how to use Faraday’s law and Lenz’s law to calculate the emf induced in a conductor that is moving within a magnetic field.
Sample Question Videos
An automobile with a radio antenna of length 1.0 m long travels at 100.0 km/h in a location where Earth’s horizontal magnetic field is T. What is the maximum possible emf induced in the antenna due to this motion?
A coil with 50 turns and area 10 cm2 is oriented with its plane perpendicular to a 0.75 T magnetic field. If the coil is flipped over (rotated through ) in 0.20 s, what is the average emf induced in it?
The rod shown in the diagram moves to the right on negligible-resistance rails at a speed of . If everywhere in the region of the rails, what is the current through the 5.0 Ω resistor?