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

The unit of magnetic flux is

Question # 2

The SI unit of magnetic induction is

Question # 3

A solenoid is a coil of wire which is:

Question # 4

A voltmeter is used to measure the

Question # 5

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 6

A charged particle moving at right angle to the magnetic field will experience

Question # 7

Electron gun consist of

Question # 8

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

Question # 9

A beam of electrons is provided by an

Question # 10

How many number of anodes used in electron gun

Question # 11

The CRO deflects the beam of electrons, when they passes through uniform

Question # 12

Which one of the following relations is correct?

Question # 13

The SI unit of flux density is

Question # 14

The e/m of an electron moving in a circular path in a magnetic field is equal to

Question # 15

The sources of magnetic field are

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
2 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
3 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
4 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
5 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
6 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
7 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
8 Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
A. BACosѲ

B. Zero
C. BA
D. BA sinѲ
9 The unit of flux density is also given by
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
10 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

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