EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
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Magnetic dipole moment of rectangular loop is,
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Important Questions on Magnetic Effect of Current and Magnetic Force on Charge or Current
EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
If the angular momentum of electron is , then its magnetic moment will be,
EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
When a charged particle moves at right angles to a magnetic field, then which of the following quantities changes,
EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
A uniform field exists in the region directed away from the page. A charged particle moving in the plane of the page follows an anticlockwise spiral of increasing radius as shown. True explanation is,
EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
The radius of a coil of wire with turns is and current flows clockwise in the coil as shown. A long straight wire carrying a current towards the left is located from the edge of the coil. The magnetic field at the centre of the coil is . The number of turns in the coil are,
MEDIUM
KVPY Aptitude Test - Stream SX
IMPORTANT
A proton moves in the -direction after being accelerated from rest through a potential difference . The proton then passes through a region with uniform electric field in the-direction and a uniform magnetic field in the -direction, but the proton's trajectory is not affected. If the experiment is repeated using a potential difference of , the proton will be,
EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
A particle of charge and mass moves in a circular orbit with angular momentum given by . The ratio of its magnetic moment to orbital angular moment is given by,
EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
A stream of charged particles enter into a region with crossed electric and magnetic fields as shown in the figure. On the other side is a screen with a hole that is right on the original path of the particles then,
EASY
KVPY Aptitude Test - Stream SX
IMPORTANT
A charged particle of charge and mass gets deflected through an angle upon passing through a square region of side a which contains a uniform magnetic field normal to its plane. Assuming that the particle entered the square at right angles to one side, what is the speed of the particle?
