ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

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

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ECAT Physics Chapter 14 Electromagnetism

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Question # 1

Amperean path is a:

Question # 2

The SI unit of magnetic flux is.

Question # 3

The most suitable material for permanent magnet is

Question # 4

A current carrying conductor sets up its own:

Question # 5

A resistance used in voltmeter is called

Question # 6

Tesla is the unit of

Question # 7

if the field is directed along the normal to the area, then flux is:

Question # 8

The unit of magnetic flux is

Question # 9

Ammeter is used to measure

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

Electron gun consist of

Question # 12

The strength of magnetic field around the current conductor is

Question # 13

A solenoid is a coil of wire which is:

Question # 14

F = I(L x B) is a

Question # 15

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
3 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
4 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
5 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
6 '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
7 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
8 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
9 Charge to mass ratio (e/m) of an electron is given by the relation
A. e/m = 2V/Br2
B. e/m = 2V/B2r
C. e/m = 2V/B2r2
D. e/m = V/2B2r2
10 When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
A. circular
B. elliptical
C. cycloid
D. straight line

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