ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 14 Electromagnetism MCQ`s Test

Sr.#	Question	Answer
1	Magnetic lines of force:	A. Cannot intersect at all B. Intersect at infinity C. Intersect within magnet D. Intersect at Neutral Point
2	The force experienced by an electron projected in a magnetic field B with a velocity V is given by	A. F=e(V x B) B. F= -e(V x B) C. F= e(B x V) D. Both a and c
3	The SI unit of magnetic permeability is	A. WB A^-1m^-1 B. WB mA^-1 C. WB Am^-1 D. None of these
4	The field around a moving charge is called	A. magnetic field B. conservative field C. non-conservative field D. none of these
5	The force experienced by charged particle is maximum, if it moves	A. parallel to magnetic field B. perpendicular to magnetic field C. opposite to the magnetic field D. none of these
6	Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:	A. Thumb B. Curled fingers C. Middle finger D. Arm of right hand
7	The torque per unit twist of coil is called	A. proportionality constant B. gravitational constant C. boltzman constant D. coupling constant
8	magnetic field is a:	A. Vector quantity B. Scalar quantity C. Scalar as well as scalar quantity D. Any of (A) or (B)
9	The CRO is used for displaying the waveform of a given	A. current B. voltage C. both of them D. none of them
10	A relationship between Gauses of magnetic induction and Tesla(T) is given by	A. G 10^-3T B. G = 10^-2T C. G = 10^-4T D. G = 10^-1T