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	A full-scale deflection is obtained in a galvanometer with a current of few	A. ampere B. volts C. milliampere D. ohm
2	The working of galvanometer depends upon torque exerted on a current carrying coil in	A. magnetic field B. electric field C. gravitational field D. nuclear field
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	A resistance used in voltmeter is called	A. shunt resistance B. high resistance C. low resistance D. zero resistance
5	The field around a moving charge is called	A. magnetic field B. conservative field C. non-conservative field D. none of these
6	magnetic field is a:	A. Vector quantity B. Scalar quantity C. Scalar as well as scalar quantity D. Any of (A) or (B)
7	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
8	Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:	A. BACosѲ B. Zero C. BA D. BA sinѲ
9	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
10	A beam of electrons is provided by an	A. electron gun B. Suppray C. Injection D. None of these