ECAT Pre Engineering Physics Chapter 14 MCQ Test With Answer

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

Sr.#	Question	Answer
1	The galvanometer can be made sensitive if the value of the factor C/BAN is	A. constant B. small C. large D. none of these
2	When charged particle is projected perpendicular to a uniform magnetic field its trajectory is	A. circular B. elliptical C. cycloid D. straight line
3	The CRO is used for displaying the waveform of a given	A. current B. voltage C. both of them D. none of them
4	Tesla is the unit of	A. Magnetic induction or flux density B. Magnetic flux C. Self inductance D. None of these
5	magnetic field is a:	A. Vector quantity B. Scalar quantity C. Scalar as well as scalar quantity D. Any of (A) or (B)
6	If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are	A. n/AL B. Al/n C. nAL D. nA/L
7	The permeability of free space is measured in:	A. Wb/Am B. Wb A/m C. Am/Wb D. m/Web A
8	Strength of magnetic field is measured in SI units, in:	A. N B. N/Am C. Am/N D. Nm/A
9	A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called	A. dead beat galvanometer B. stable galvanometer C. shunt galvanometer D. sensitive galvanomter
10	The SI unit of magnetic induction is tesla which is equal to	A. Newton/ampere-meter or N/A-m B. Newton/ampere²-meter or N/A²-m C. Newton/ampere²-meter² or N/A²-m² D. Newton/ampere²-meter²or N/A²-m²