PPT - Electromagnetic Induction Electrical Engineering (EE) Notes | EduRev

Electromagnetic Theory

Electrical Engineering (EE) : PPT - Electromagnetic Induction Electrical Engineering (EE) Notes | EduRev

 Page 1


Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
Electromagnetic Induction
Page 2


Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Induced e.m.f. and induced current
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
between a coil and a magnet
Experiment 28.1
Electricity and Magnetism Electricity and Magnetism
. and induced current
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
Page 3


Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Induced e.m.f. and induced current
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
between a coil and a magnet
Experiment 28.1
Electricity and Magnetism Electricity and Magnetism
. and induced current
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by moving a wire
across magnetic field lines
Electricity and Magnetism Electricity and Magnetism
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by moving a wire
across magnetic field lines
Experiment 28.2
Page 4


Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Induced e.m.f. and induced current
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
between a coil and a magnet
Experiment 28.1
Electricity and Magnetism Electricity and Magnetism
. and induced current
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by moving a wire
across magnetic field lines
Electricity and Magnetism Electricity and Magnetism
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by moving a wire
across magnetic field lines
Experiment 28.2
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
– the magnetic field through a coil changes.
Induction caused by a
changing magnetic field
Electricity and Magnetism Electricity and Magnetism
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
the magnetic field through a coil changes.
Experiment 28.3
Page 5


Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
Electromagnetic Induction
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
Induced e.m.f. and induced current
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
between a coil and a magnet
Experiment 28.1
Electricity and Magnetism Electricity and Magnetism
. and induced current
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by the relative motion
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by moving a wire
across magnetic field lines
Electricity and Magnetism Electricity and Magnetism
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
Induction by moving a wire
across magnetic field lines
Experiment 28.2
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
 An e.m.f. is induced whenever
– the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
– the magnetic field through a coil changes.
Induction caused by a
changing magnetic field
Electricity and Magnetism Electricity and Magnetism
An e.m.f. is induced whenever
the conductor cuts through magnetic field lines due to the
relative motion between the conductor and the magnet.
the magnetic field through a coil changes.
Experiment 28.3
Electricity and Magnetism Electricity and Magnetism
28
Electromagnetic Induction
 This phenomenon is called
 Such an e.m.f. is called induced e.m.f.
low potential
high potential
Electricity and Magnetism Electricity and Magnetism
This phenomenon is called electromagnetic induction.
induced e.m.f.
high potential
induced e.m.f.
Read More
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