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1. Name: Abdirahman Mohamed Hassan
Batch: 30th
Roll:04
Department: EETE
Course no: EETE-325
Course title : Electromagnetic fields and waves
Topic : Faraday’s law
Spring :2021
Submitted to : Md. Mustafizur
Rahman

2. History of faraday’s law
Faraday’s law-statements
Formula of faraday’s law
Picture of faraday’s law
Applications of faraday’s law


3.  Born to a poor family in Newington England
 Diligent and intelligent
 He became an errand boy for a bookbinding shop and her read
every book than he bound
 He became interested in the concept of force or specifically
 He was born faraday’s law 22 September 1791
 And he was Died 25 august 1867
 His main discoveries include the principles
underlying Electromagnetic induction , diamagnetism and
electrolysis.

4.  Faraday’s law of induction states that “the EMF induced in a
circuit is directly proportional to the time rate of change of the
magnetic flux through the circuit “
 Faraday's law is one of Maxwell's equations. that the absolute
value or magnitude of the circulation of the electric
field E around a closed loop is equal to the rate of change of the
magnetic flux through the area enclosed by the loop.
 The equation below expresses Faraday's law in mathematical
form.
 ΔΦB/∆t (through a fixed area) = -Σ around loop E∙∆r (at a fixed
time).

5. Formula OF Faraday’s Law
Є= induced voltage
N= number of loops
ΔΦ= change in magnetic flux
Δt= change in time

7. Faraday law is one of the most basic and important laws of
electromagnetism. This law finds its application in most of the
electrical machines, industries and medical field etc.
 Electrical Transformers
 It is a static ac device which is used to either step up or step down
voltage or current. It is used in generating station, transmission
and distribution system. The transformer works on Faraday’s law.
 Electrical Generators
 The basic working principle of electrical generator is Faraday’s
law of mutual induction. Electric generator is used to convert
mechanical energy into electrical energy.
 Induction Cookers
 The Induction cooker, is a most fastest way of cooking. It also
works on principle of mutual induction. When current flows
through the coil of copper wire placed below a cooking container,
it produces a changing magnetic field. This alternating or
changing magnetic field induces an emf and hence the current in
the conductive container, and we know that flow of current
always produces heat in it.

9. Thank you
for
Lessening