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

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ECAT Pre General Science Physics Chapter 14 Electromagnetism

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Question # 1

The direction of lines of force depends upon the direction of

Question # 2

Flurescent screen is a screen where visible spot

Question # 3

The force acting on a charge moving in a magnetic field

Question # 4

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 # 5

The angle of deflection of coil can be measured by the

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

F = I(L x B) is a

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

The torque per unit twist of coil is called

Question # 15

The magnetic field inside a solenoid can be increased by:

Question # 16

The SI unit of flux density is.

Question # 17

Weber is a unit of

Question # 18

CRO deflects the beam of

Question # 19

The permeability of free space is measured in:

Question # 20

In order to make a voltmeter, high resistance is connected with galvanometer, in

Question # 21

How many number of anodes used in electron gun

Question # 22

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

Question # 23

Magnetic induction is also called as:

Question # 24

A solenoid is a coil of wire which is:

Question # 25

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

Question # 26

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 27

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

Question # 28

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 29

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

Question # 30

A resistance used in galvanometer to make it voltmeter is called

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
2 Lorentz force is defined as
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
3 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
4 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
5 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
6 When current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these
7 A full-scale deflection is obtained in a galvanometer with a current of few
A. ampere
B. volts
C. milliampere
D. ohm
8 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
9 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these
10 A current carrying conductor sets up its own:
A.

Electric field

B.

Nuclear field

C.

Magnetic field

D.

Both (A) and (C)

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