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

magnetic field is a:

Question # 2

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 3

When current passes through a solenoid coil, it behaves like a

Question # 4

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 5

The vector representation of force experience give the direction of

Question # 6

In the region surrounding a current carrying wire:

Question # 7

The magnetic field inside a solenoid can be increased by:

Question # 8

The current sensitivity of the galvanometer is

Question # 9

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 10

A current carrying conductor sets up its own:

Question # 11

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

Question # 12

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

Question # 13

The SI unit of magnetic induction is

Question # 14

A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is

Question # 15

Centripetal force for electron is given by

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
2

the current is pass through the straight wire. The magnetic field established around it has its lines of force:
A.

Circular and endless

B.

Oval in shape and endless

C.

Straight

D.

Parabolic
3 The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
4 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
5 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
6 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
7 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
8 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
9 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid
10 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these

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