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

Amperean path is a:

Question # 2

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 3

A galvanometer is an instrument used to

Question # 4

The SI unit of flux density is

Question # 5

The CRO is used for displaying the waveform of a given

Question # 6

The SI unit of flux density is.

Question # 7

A long wire wound tightly on a cylindrical core is called:

Question # 8

A field is uniform and much stronger:

Question # 9

It is customary represent a current flowing towards the reader by a symbol

Question # 10

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:

Question # 11

The most suitable material for permanent magnet is

Question # 12

The SI unit of magnetic flux is

Question # 13

Which one of the following relations is correct?

Question # 14

Avo-meter is used of measure the

Question # 15

Charge to mass ratio (e/m) of an electron is given by the relation

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
2 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
3 'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
A. 0
B. 1
C. 0.5
D. -1
4 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
5 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
6 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
7 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
8 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
9 For the conversion of galvanometer into voltmeter, we connect a
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
10 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these

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