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	The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon	A. Heating effect of current B. Chemical effect of current C. Magnetic effect of current D. Electromagnetic effect of current
2	A galvanometer is an instrument used to	A. measure voltage across a circuit B. detect current in a circuit C. measure current flowing through a circuit D. none of these
3	When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be	A. changed B. zero C. unchanged D. none of these
4	Flurescent screen is a screen where visible spot	A. vanishes B. is made C. becomes small and large D. none of these
5	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
6	CRO deflects the beam of	A. proton B. a-particle C. electron D. neutron
7	The torque per unit twist of coil is called	A. proportionality constant B. gravitational constant C. boltzman constant D. coupling constant
8	The field around a moving charge is called	A. magnetic field B. conservative field C. non-conservative field D. none of these
9	A field is uniform and much stronger:	A. Inside a long solenoid B. Outside a long solenoid C. At the end of a long solenoid D. At the central point of long solenoid
10	When charged particle is projected perpendicular to a uniform magnetic field its trajectory is	A. circular B. elliptical C. cycloid D. straight line