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1.
Which one of the following is correct statement about magnetic forces?
2.
3.
A strong magnetic field is applied on a stationary electron. Then the electron
4.
When a magnetic compass needle is carried nearby to a straight wire carrying current, then
(I) the straight wire cause a noticeable deflection in the compass needle.
(II) the alignment of the needle is tangential to an imaginary circle with straight wire as its centre and has a plane perpendicular to the wire
(I) the straight wire cause a noticeable deflection in the compass needle.
(II) the alignment of the needle is tangential to an imaginary circle with straight wire as its centre and has a plane perpendicular to the wire
5.
In a circular coil of radius r, the magnetic field at the centre is proportional to
6.
A positive charge enters in a magnetic field and travels parallel to but opposite the field. If experiences
7.
8.
An electron is projected along the axis of a circular conductor carrying the same current. Electron will experience
9.
The gyro-magnetic ratio of an electron in an H-atom, according to Bohr model, is
10.
If the beams of electrons and protons move parallel to each other in the same direction, then they