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

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

Question # 2

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

Question # 3

Which is modified form of galvanometer

Question # 4

The sources of magnetic field are

Question # 5

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 6

Strength of magnetic field is measured in SI units, in:

Question # 7

The current sensitivity of the galvanometer is

Question # 8

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 9

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

Question # 10

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 11

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

Question # 12

if the field is directed along the normal to the area, then flux is:

Question # 13

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

Question # 14

The SI unit of magnetic induction is

Question # 15

Magnetic flux and flux density are related by

Question # 16

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

Question # 17

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 18

Flurescent screen is a screen where visible spot

Question # 19

Avo-meter is used of measure the

Question # 20

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

Question # 21

Tesla is the unit of

Question # 22

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

Question # 23

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

Question # 24

Method "lamp and scale arrangement" used to measure the

Question # 25

In the expression of force experienced by electron, the direction of both v and B are

Question # 26

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 27

CRO deflects the beam of

Question # 28

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

Question # 29

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 # 30

The most suitable material for permanent magnet is

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 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
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 resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
4 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
5 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
6

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
7 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:
A. Becomes Half
B. Becomes double
C. Is not affected
D. Becomes one fourth
8 In the region surrounding a current carrying wire:
A. A magnetic field is setup

B.

The lines of force are elliptical

C.

Direction of lines of forces depends upon direction of current

D.

Both (A) and (C)
9 The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by
A. F=IB/L
B. F= L x B/I
C. F = IL x B
D. F = IL . B
10 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

Test Questions