Home > categories > Minerals & Metallurgy > Magnetic Materials > When a strip of magnetic material, variably magnetized, is embedded in a platic card that is moved past a smal?
Question:

When a strip of magnetic material, variably magnetized, is embedded in a platic card that is moved past a smal?

small oil of wire, what happens in the coil. What is a practical application of this?

Answer:

As the variably-magnetized strip moves past the coil, the changing magnetic flux through the coil will induce a variable voltage in the coil. this varying voltage can be used to tell what the magnetic pattern in the strip was. This is what's happening when you swipe a credit card or ATM card through a card reader. The voltage on the coil in the reader can be used to read information encoded in the magnetic strip.
no the best thing to do is check the specifications of the bike to find the original tire size. they are typically a specific tire size for a reason. also front and rear tires are matched for a reason. the radius of the tire is made so that the rear tire will be on the radius of the tire at the same point as the front so dont put a different make of tire on the front or rear without changing both of them.
if the rims are as wider as tyers then weight would be too high and then ur bikes milage will come down as hell and then at the same time u cant make turns fast it gets very hard at the same time handling is poor and if the width wold be the same how will u fit tyer in rim !!! so the rim all ways is less in width than tyer
no can be larger but needs suficent clearance to avoid contact with static parts when under load and stress

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