ECAT Pre Engineering Physics Chapter 14 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Question # 1

The voltage increases linearly with

Question # 2

The current is measured in

Question # 3

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 4

The magnetic field outside the solenoid due to current is

Question # 5

Ammeter is used to measure

Question # 6

Resistance is measured in

Question # 7

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 8

Magnetic lines of force:

Question # 9

A current carrying conductor sets up its own:

Question # 10

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 11

Magnetic induction is also called as:

Question # 12

A galvanometer is an instrument used to

Question # 13

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 14

The magnetic field in the middle of a solenoid due to current is

Question # 15

Which one of the following relations is correct?

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
2 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
3 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
4 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
5 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
6 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
7 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
8 At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:
A. -y direction
B. +y direction
C. +z direction
D. -z direction
9 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
10 In order to make a voltmeter, high resistance is connected with galvanometer, in
A. perpendicular
B. may be paralled or pendicular
C. series
D. none of these

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