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Unit V: Time Varying Fields and Maxwell'S Equations

This document discusses Faraday's law of induction and Maxwell's equations. It explains that an induced emf in a wire loop is proportional to the rate of change of magnetic flux through the loop. It also describes how there are two types of induced emf - statically induced emf which occurs when a closed path experiences a time-varying magnetic field, and dynamically induced emf which occurs when a closed path moves through a static magnetic field. Finally, it mentions displacement current density and displacement current.

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128 views12 pages

Unit V: Time Varying Fields and Maxwell'S Equations

This document discusses Faraday's law of induction and Maxwell's equations. It explains that an induced emf in a wire loop is proportional to the rate of change of magnetic flux through the loop. It also describes how there are two types of induced emf - statically induced emf which occurs when a closed path experiences a time-varying magnetic field, and dynamically induced emf which occurs when a closed path moves through a static magnetic field. Finally, it mentions displacement current density and displacement current.

Uploaded by

shankar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPTX, PDF, TXT or read online on Scribd
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UNIT V

TIME VARYING FIELDS AND


MAXWELLS EQUATIONS
Faradays Law
The induced emf in a wire loop is
proportional to the rate of change of
magnetic flux through the loop.
Or
Lenz Law
Statically induced emf (or) Transformer emf:
When an emf is induced in a stationary
closed path due to time varying B field, the
emf is called Statically induced emf (or)
Transformer emf.
Dynamically induced emf (or) Motional emf:
When an emf is induced in a time varying
closed path due to a static B field, the emf
is called Dynamically induced emf (or)
Motional emf.
Transformer emf
Motional or Generator emf
Displacement Current Density
and Displacement Current

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