Magnetic field due to currentHard
Question
At a certain place a magnet makes 30 oscillations per minute. At another place where the magnetic field is double, its time period will be
Options
A.4 s
B.2 s
C.1/2 s
D.√2 s
More Magnetic field due to current Questions
Four very long straight wires carry equal electric currents in the +z direction. They intersect the xy plane at (x, y) =...A charge is moving perpendicular to a magnetic field. Its path is a :-...A plane electromagnetic wave of frequency 40 MHz travels in free space in X-direction. At some point and at some instant...A circular loop of radius 7 cm is placed in uniform magnetic field of 0.2 T directed perpendicular to plane of loop. The...particle of mass m and charge q moves with a constant velocity v along the positive x-direction. It centre region contai...