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No difference - a cassette contains magnetic tape.
magnetic variation
magnetic tapes are cheaper
magnetic variation
Magnetic declination or variation.
Nickel is magnetic.
The one is round,while the other is long and thin.
magnetic circit has a magnet and electri circuit has electricity
light speeeed mofos
Assuming the subject is magnetic declination the difference between the north pole and the true north pole this difference, is the magnetic declination, there is not information on what purpose it serves.
The magnetic declination in San Diego, California is approximately 12 degrees east, which means there is a 12 degree difference between true north and magnetic north in that area.
It is measured exactly the same in the Southern hemisphere (no difference between the two hemispheres). It is the difference between magnetic north and true north and it varies all over the globe. Magnetic declination (also called magnetic variation) is positive when magnetic north is east of true north (clockwise) and it is negative when magnetic north is west of true north (anti-clockwise).