
Magnetic Fields due to Electric Current Quiz 2
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Popular Questions In Magnetic Fields due to Electric Current Quiz 2
A rectangular coil of dipole moment fi, free to rotate, is placed in a uniform magnetic field B with its plane parallel to the magnetic lines of force. Then, the coil will
When a current is passed through a suspended moving-coil galvanometer, the deflection of the coil is arrested by
When a current is passed through a suspended moving-coil galvanometer, the deflection of the coil is 9. Then, in the usual notation, the expression is
Two circular coils 1 and 2 have both their radii and number of turns in the ratio 1 : 2. If the currents in them are in the ratio 2: 1, the magnitudes of the magnetic inductions at the centres of the coils are in the ratio
A charged particle is moving in a cyclotron, what effect on the radius of path of this charged particle will occur when the frequency of the ratio frequency field is doubled?
The nature of parallel and anti-parallel currents are
A current carrying loop is placed in a uniform magnetic field. The torqe acting on it does not depend upon
The conversion of a moving coil galvanometer into a voltmeter is done by
A strong magnetic field is applied on a stationary electron. Then the electron
Which one of the following is correct statement about magnetic forces?