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

Ammeter is used to measure

Question # 2

Tesla is the unit of

Question # 3

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

Question # 4

In the region surrounding a current carrying wire:

Question # 5

The magnetic field outside the solenoid due to current is

Question # 6

The field around a moving charge is called

Question # 7

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

Question # 8

The sources of magnetic field are

Question # 9

A solenoid is a coil of wire which is:

Question # 10

The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the

Question # 11

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

Question # 12

NmA-1 is commonly called:

Question # 13

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

Question # 14

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

Question # 15

It is customary represent a current flowing towards the reader by a symbol

Question # 16

F = I(L x B) is a

Question # 17

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

Question # 18

The SI unit of flux density is.

Question # 19

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 # 20

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

Question # 21

In a moving coil galvanometer, the deflecting couple depends upon

Question # 22

For the conversion of galvanometer into voltmeter, we connect a

Question # 23

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 24

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

Question # 25

The permeability of free space is measured in:

Question # 26

Magnetic flux and flux density are related by

Question # 27

The unit of flux density is also given by

Question # 28

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

Question # 29

The force acting on a charge moving in a magnetic field

Question # 30

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

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 working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon
A. Heating effect of current
B. Chemical effect of current
C. Magnetic effect of current
D. Electromagnetic effect of current
2 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
3 A galvanometer is an instrument used to
A. measure voltage across a circuit
B. detect current in a circuit
C. measure current flowing through a circuit
D. none of these
4 To convert galvanometer into ammeter we connect
A. small resistance in parallel with galvanometer
B. small resistance in series with galvanometer
C. high resistance in series with galvanometer
D. high resistance in parallel with galvanometer
5 A field is uniform and much stronger:
A.

Inside a long solenoid

B.

Outside a long solenoid

C.

At the end of a long solenoid

D.

At the central point of long solenoid
6 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)
7 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
8 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
9 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
10 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v

Test Questions