- #1
bongshn
- 2
- 0
as a magnet bar is falling in a copper pipe, it will reach terminal velocity due to the lenz's law. my experiment is changing on the mass of the magnet bar but not changing the magnetic field. what will happen in this case?
Lenz's Law states that when a conductor (such as a copper pipe) is exposed to a changing magnetic field, an electrical current will be induced in the conductor that creates its own magnetic field. This induced magnetic field will oppose the original magnetic field, creating a braking effect on the falling magnet bar.
The copper pipe is a good conductor of electricity, meaning it allows for the easy flow of electrical current. This allows for a strong braking effect to be created by the induced current, slowing down the falling magnet bar.
Yes, both the strength of the magnetic field and the size of the copper pipe can affect the speed of the falling magnet bar. A stronger magnetic field or a larger copper pipe will result in a stronger induced current and therefore a greater braking effect on the magnet bar, causing it to fall slower.
No, Lenz's Law specifically applies to falling objects that have a magnetic field and are falling through a conductor. This is because the changing magnetic field is what induces the current in the conductor, creating the braking effect.
Lenz's Law is used in a variety of practical applications, such as electromagnetic braking systems in trains, generators, and electric motors. It is also used in metal detectors and magnetic levitation technology. Understanding Lenz's Law is crucial in designing and optimizing these technologies.