EmSAT Achieve Exam > EmSAT Achieve Videos > Physics for EmSAT Achieve > Lorentz Force
Lorentz Force Video Lecture | Physics for EmSAT Achieve
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FAQs on Lorentz Force Video Lecture - Physics for EmSAT Achieve
| 1. What is the Lorentz force? |  |
Ans. The Lorentz force is the force experienced by a charged particle when it moves through a magnetic field. It is given by the equation F = q(v x B), where F is the force, q is the charge of the particle, v is its velocity, and B is the magnetic field.
| 2. How does the Lorentz force affect charged particles? | |
Ans. The Lorentz force causes charged particles to experience a deflecting force perpendicular to both their velocity and the magnetic field. This deflection can alter the path of the particles and make them move in circular or helical orbits.
| 3. What is the significance of the Lorentz force in electromagnetic devices? | |
Ans. The Lorentz force is crucial in the functioning of various electromagnetic devices. It is responsible for the motion of charged particles in electric motors, generators, and particle accelerators. Understanding the Lorentz force helps in designing and optimizing these devices.
| 4. How does the Lorentz force relate to the electromagnetic force? | |
Ans. The Lorentz force is a specific case of the electromagnetic force, which includes both electric and magnetic forces. While the electric force acts on charged particles in electric fields, the Lorentz force specifically acts on charged particles moving through magnetic fields.
| 5. Can the Lorentz force be used to generate electricity? | |
Ans. Yes, the Lorentz force can be used to generate electricity. Electric generators harness the motion of charged particles subjected to the Lorentz force to produce electrical energy. As the particles move through a magnetic field, their deflection generates an induced electric current.
Text Transcript from Video
hello friends this video on matter and
magnetism part 6 is brought to you by
example.com
no more fear from example please make
sure that you have watched all the
videos to part 5 before going ahead with
part 6 now we will talk about Lorentz
force
now again you've got a new name what is
Lorentz force but Lorentz force that it
is obviously named after the scientist
Lawrence
this forces the net force which will act
on a charged particle when it is near a
current-carrying wire that means still
now I talked only about the magnetic
force but even if the charges are moving
the charge will have an electric field
of its own right
a charge which is at rest will have an
electric field a charge which is in
motion will also have electric field
similarly a charge which is if at rest
will not have any magnetic field but the
charge in motion only will have a
magnetic field that means when the
charges are in motion there will be an
electric field as well as magnetic field
so the net force which will be acting on
a charged particle when it enters the
benefit will be the force due to
electric field plus the force due to
magnetic field so that net force which
acts on a particle is known as the
Lorentz force
so Lorentz force is the force
experienced by a charged particle due to
electric and magnetic fields due to both
of these fields so what is this total
field I am sorry it is not M so the
total force will be equal to Q into E
Plus V cross B so how do I get this we
know that the force experienced by a
particle due to electric field is equal
to Q into e
similarly we know that the force
experienced by a particle due to
magnetic field is Q into V cross B so
therefore the total force that is the
Lorentz force will be equal to the force
due to electric field plus the force due
to magnetic field like
so this force F is known as the Lorentz
force thank you please visit exam comm
to watch free educational videos try
three online tests get the best quality
study materials study from the best
tutors and mentors and much more thank
you once again
magnetism part 6 is brought to you by
example.com
no more fear from example please make
sure that you have watched all the
videos to part 5 before going ahead with
part 6 now we will talk about Lorentz
force
now again you've got a new name what is
Lorentz force but Lorentz force that it
is obviously named after the scientist
Lawrence
this forces the net force which will act
on a charged particle when it is near a
current-carrying wire that means still
now I talked only about the magnetic
force but even if the charges are moving
the charge will have an electric field
of its own right
a charge which is at rest will have an
electric field a charge which is in
motion will also have electric field
similarly a charge which is if at rest
will not have any magnetic field but the
charge in motion only will have a
magnetic field that means when the
charges are in motion there will be an
electric field as well as magnetic field
so the net force which will be acting on
a charged particle when it enters the
benefit will be the force due to
electric field plus the force due to
magnetic field so that net force which
acts on a particle is known as the
Lorentz force
so Lorentz force is the force
experienced by a charged particle due to
electric and magnetic fields due to both
of these fields so what is this total
field I am sorry it is not M so the
total force will be equal to Q into E
Plus V cross B so how do I get this we
know that the force experienced by a
particle due to electric field is equal
to Q into e
similarly we know that the force
experienced by a particle due to
magnetic field is Q into V cross B so
therefore the total force that is the
Lorentz force will be equal to the force
due to electric field plus the force due
to magnetic field like
so this force F is known as the Lorentz
force thank you please visit exam comm
to watch free educational videos try
three online tests get the best quality
study materials study from the best
tutors and mentors and much more thank
you once again
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About this Video
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Nov 14, 2024 Last updated |
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