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 SI unit of magnetic induction is

Question # 2

The vector representation of force experience give the direction of

Question # 3

Flurescent screen is a screen where visible spot

Question # 4

The SI unit of magnetic induction is tesla which is equal to

Question # 5

The SI unit of magnetic permeability is

Question # 6

Magnetic flux and flux density are related by

Question # 7

How many number of anodes used in electron gun

Question # 8

The pointer of a magnetic compass:

Question # 9

A current carrying conductor sets up its own:

Question # 10

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 11

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

Question # 12

Which one of the following relations is correct?

Question # 13

A field is uniform and much stronger:

Question # 14

NmA-1 is commonly called:

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
A. parallel to the field
B. Perpendicular to the field
C. At an angle of 45 to the field
D. None of the above
2 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
3 The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by
A. F =q(v/B)
B. F=q2(v x B)
C. F=q(v x B)
D. F= vx B
4 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
5 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
6 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
7 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
8 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
9 The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
10 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant

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