BY: Jordyn
King
Michael Faraday I chose him because he seemed like he had
an interesting life with many interesting
was an English
discoveries.
chemist and
physicist who
contributed to the
fields of
electromagnetism
and
electrochemistry.
Example of Electrochemistry
Jan. 13, 1812
Dear Diary
,
Today when I woke up there was a bunch of
snow outside. That means that I do not have to attend
Sir Humphrey's* lecture today. He teaches me
chemistry. My mother, Margaret, taught me my
school work today though. She teaches me everything,
except the science things. That’s why I go to Sir
Humphrey’s. My father is one of the town’s
blacksmiths. I help out after I am done with school.
And now I’m going to go outside and play in the
Newington snow.
Yours Truly,
*Sir Humphrey Davy – a British
chemist
Scientific Magazine
Faraday makes some more “laws”
This week Michael Faraday and his assistant Joseph Henry
discovered what they call, “Faraday’s Law of Induction”. This
law states that, “The induced electromotive force (EMF) in
any closed circuit is equal to the time rate of change of the
magnetic flux through the circuit.” Alternatively this
means, “That the EMF generated is proportional to the rate of
change of the magnetic flux.” The law has to do with
Faraday’s studies in electromagnetism. The two scientists say
that they discovered this within months of experiments. The
experiments consisted of connecting and disconnecting a wire
to a battery. This made a transit current (wave of
electricity). Faraday had found several other manifestations
of electromagnetic induction. For example, he saw transient
currents when he quickly slid a bar magnet in and out of a
coil of wires, and he generated a steady current by rotating
a copper disk near a bar magnet with a sliding electrical
lead ("Faraday's disk"). They then came up with the law.
1791- Born on September 22nd in Newington , Surrey, England
1821- He got married to his wife Sarah Barnard on June 12 th
Invents the first electric motor
1823- Faraday liquefies chlorine
1831- Discovers Electromagnetic Induction
1834- Announced his 2 famous Laws of Electrolysis (
1845- Discovers the light propagation in a material that can be influenced by
magnetic fields
1850- Preformed experiments to find link between gravity and
electromagnetism fail
1867- Died on August 25tth in London, England
Albert Einstein kept a photograph of Michael Faraday for
inspiration, along side of Isaac Newton and James Clerk
Maxwell.
Invented an early form of what was to become the
Bunsen burner.
Michael Faraday also had a job as a
Professor of Chemistry at the Royal
Institution of Great Britain.
Michael Faraday also worked with scientists such
as Joseph Henry who contributed in the
discovery of Faraday’s Law of Induction.
Rotating-Magnet Electrical Generator
Faraday Wheel, used for a
generator in many of his
experiments
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