2. In a region with a uniform magnetic field of 1.25T, a 30.0 cm x 40.0 cm rectangle is orientedsuch that the field is perpendicular to rectangle (see figure). The rectangle is pulled at aconstant velocity of 2.00 cm/s, while traveling perpendicular. The magnetic field endsimmediately as shown in the figure. For each of the following situations, use Lenz's Law andFaraday's law to calculate the induced emf in the coil (if any) and the direction of inducedcurrent (if any)a) When the coil is all inside the field.b) When the coil is partly inside the field and partly outside the field.c) When the coil is all outside the field.30.0 cm XВ|X x|| x2.00 cm/s40.0 cmхх

We know that the relation between the induced Emf and magnetic flux is given as Emf = dϕdt where…

immediately as shown in the figure. For each of the fo Faraday's law to calculate the induced emf in the coil current (if any) a) When the coil is all inside the field. b) When the coil is partly inside the field and partly out

immediately as shown in the figure. For each of the fo Faraday's law to calculate the induced emf in the coil current (if any) a) When the coil is all inside the field. b) When the coil is partly inside the field and partly out

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 91CP: A nonconducting hard rubber circular disk of radius R is painted with a uniform surface charge...

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Concept explainers

Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention. 

Question

2. In a region with a uniform magnetic field of 1.25T, a 30.0 cm x 40.0 cm rectangle is oriented
such that the field is perpendicular to rectangle (see figure). The rectangle is pulled at a
constant velocity of 2.00 cm/s, while traveling perpendicular. The magnetic field ends
immediately as shown in the figure. For each of the following situations, use Lenz's Law and
Faraday's law to calculate the induced emf in the coil (if any) and the direction of induced
current (if any)
a) When the coil is all inside the field.
b) When the coil is partly inside the field and partly outside the field.
c) When the coil is all outside the field.
30.0 cm X
В
|X x|| x
2.00 cm/s
40.0 cm
хх

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