railway RRB Technician Grade 1 Mock Test 2024 Physics Moving Charges and Magnetism The Magnetic Dipole Moment
A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to:
A. hold the sheet there if it is magnetic.
B. hold the sheet there if it is non-magnetic.
C. move the sheet away from the pole with uniform velocity if it is conducting.
D. move the sheet away from the pole with uniform velocity if it is both, non-conducting and non-polar.
Choose the correct statement(s) from the options given below:
1
B and D only
2
A and C only
3
A, C and D only
4
C only