MDCAT Physics Chapter 8 online mcq test with answers for chapter 8 (Electromagnetism)

MDCAT Physics Chapter 8 Electromagnetism Online Test

Sr. #	Questions	Answers Choice
1	The magnetic field due to the electric current in a conducting wire is:	Towards the centre of the conducting wire Circular around the conducting wire In the direction of the electric current In the direction opposite to the electric current
2	The magnetic field of a solenoid is quite similar to that of a:	Straight conductor A horse shoe magne Any magnet A bar magnet
3	The magnetic field produced due to the current in a straight wire is proportionalto the :	Electric current Conducting material Length of the wire Diameter of the wire
4	If an electron vertically downwards, then the horizontal component of the earth’s magnetic field will deflect it to wards	West East North North
5	A tritium and alpha particle enter the magnetic field with same kinetic energy, what will be the ratio of their radii?	3:4 √3: 1 √3: 4 √3:√2
6	An electron and a proton are projected at right angles to a uniform magnetic field with	the electron trajectory will be less curved than proton’s trajectory the electron trajectory will be more curved than proton’s trajectory ) both trajectories will be equally curved ) both particles continue to move along a straight lins
7	The direction of force experienced by a moving in a magnetic field will be:	Parallel to the field Opposite to the field Parallel to its direction of motion Perpendicular to both the field and the velocity vector
8	Charge to mass ratio (e/m) of a charge particle is also called its:	Specific charge Specific Force Gyro-magnetic ratio Magneto-mechanical ratio
9	A positively charged particle is moving perpendicular to a uniform magnetic field. The magnetic force makes the particle to move along:	An elliptical path A circular path A parabolic path None of these
10	Which one of the following particles projected perpendicular to a uniform magnetic field with the same velocity will be deflected least?	Electron Proton Deuton None of these
11	A magnetic field	Always exerts a force on a charged particle Never exerts a force on a charged particle Exerts a force on a charged particle if it is moving across the magnetic lines of force Exerts a force on a charged particle if it is moving along the magnetic lines of force.
12	A straight current carrying conductor experiences maximum forces in a uniform magnetic field when it is placed:	Parallel to the field Perpendicular o the field At an angle of 45 to the field None of these
13	A long solenoid has 20 turns/ cm. The current necessary to produce a magnetic field of 20 mellites inside the solenoid is approximately:	1A 2A 4A 8A
14	Magnetic field inside a solenoid is:	) Directly proportional to current Inversely proportional to current Directly proportional to its length Inversely proportional to total no of turns
15	A source of a magnetic field is:	An isolated magnetic A static electric charge A moving electric charge None of these

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