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

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

Question # 2

The magnetic field outside the solenoid due to current is

Question # 3

The force experienced by charged particle is maximum, if it moves

Question # 4

Tesla is the unit of

Question # 5

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 6

Magnetic lines of force:

Question # 7

The current sensitivity of the galvanometer is

Question # 8

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 # 9

The field around a moving charge is called

Question # 10

Amperean path is a:

Question # 11

Weber is a unit of

Question # 12

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 13

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

Question # 14

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 # 15

The SI unit of flux density is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
3 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
4 The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
5 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
6 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
7 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
8 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
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 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

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