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 SI unit of flux density is.

Question # 2

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

Question # 3

CRO deflects the beam of

Question # 4

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 5

Weber is a unit of

Question # 6

The voltage increases linearly with

Question # 7

The strength of magnetic field around the current conductor is

Question # 8

Avo-meter is used of measure the

Question # 9

F = I(L x B) is a

Question # 10

The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon

Question # 11

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

Question # 12

Ammeter is used to measure

Question # 13

The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by

Question # 14

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

Question # 15

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 16

Current is measured in

Question # 17

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

Question # 18

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 19

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

Question # 20

The torque per unit twist of coil is called

Question # 21

The magnetic field in the middle of a solenoid due to current is

Question # 22

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

Question # 23

Centripetal force for electron is given by

Question # 24

The SI unit of magnetic flux is

Question # 25

The current is measured in

Question # 26

The force acting on a charge moving in a magnetic field

Question # 27

The magnetic field inside a solenoid can be increased by:

Question # 28

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

Question # 29

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

Question # 30

The direction of lines of force depends upon the direction of

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 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)
2 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
3 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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
4 Total number of turns on 0.15 m length solenoid is 300. the value of n is:
A. Greater than 300
B. Smaller than 300
C. Equal to 300
D. Any of (A) or (B)
5 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
6 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
7

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
8 A solenoid is a coil of wire which is:
A.

Short, loosely wound, cylindrical

B.

Long, tightly wound, spherical

C.

Long, loosely wound, cylindrical

D.

Long, tightly wound, cylindrical
9 If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is
A. F = B2
B. F = 0
C. F = B
D. F = B/2
10 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!