ECAT Pre General Science Physics Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 14 Electromagnetism

00:00
Question # 1

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

Question # 2

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 3

When the charged particle is projected at right angles to the field, then experienced by it will be:

Question # 4

A resistance used in voltmeter is called

Question # 5

The unit of magnetic flux is

Question # 6

Centripetal force for electron is given by

Question # 7

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 8

Galvanometer is a device used for the detection of

Question # 9

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

Question # 10

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 11

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

Question # 12

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 13

Magnetic flux and flux density are related by

Question # 14

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

Question # 15

Magnetic lines of force:

Question # 16

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

Question # 17

Current is measured in

Question # 18

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 19

The SI unit of magnetic flux is

Question # 20

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

Question # 21

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 22

Avo-meter is used of measure the

Question # 23

The unit of flux density is also given by

Question # 24

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 25

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 26

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

Question # 27

A galvanometer is an instrument used to

Question # 28

The magnetic field outside the solenoid due to current is

Question # 29

Flurescent screen is a screen where visible spot

Question # 30

In the region surrounding a current carrying wire:

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 14 Electromagnetism MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 14 Electromagnetism MCQ`s Test

  • M
    M Abduullah 17 - Feb - 2021 13 Min 51 Sec 65/120
  • W
    Waleed Ahmed 25 - Feb - 2023 18 Min 24 Sec 55/120
  • I
    Inzmam Rajper 16 - Jun - 2022 10 Min 50 Sec 50/120
  • H
    Hiba Akhtar 06 - Mar - 2023 06 Min 56 Sec 45/120

ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of magnetic induction is tesla which is equal to
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
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 working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
4 Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
A. Maximum
B. Minimum
C. Zero
D. Very small
5 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
6 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area
7 In the expression of force experienced by electron, the direction of both v and B are
A. parallel
B. zero
C. perpendicular
D. none of them
8 When current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these
9 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
A. 5N
B. 4N
C. 1.5N
D. 6N
10 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

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!