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

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

Question # 2

For the conversion of galvanometer into voltmeter, we connect a

Question # 3

At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:

Question # 4

The SI unit of flux density is.

Question # 5

A current carrying conductor sets up its own:

Question # 6

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 7

Avo-meter is used of measure the

Question # 8

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

Question # 9

To convert galvanometer into ammeter we connect

Question # 10

The most suitable material for permanent magnet is

Question # 11

The permeability of free space is measured in:

Question # 12

Magnetic induction is also called as:

Question # 13

F = I(L x B) is a

Question # 14

A beam of electrons is provided by an

Question # 15

The SI unit of magnetic induction is

Question # 16

The SI unit of magnetic flux is.

Question # 17

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 # 18

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

Question # 19

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

Question # 20

A charged particle moving at right angle to the magnetic field will experience

Question # 21

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 22

In a moving coil galvanometer, the deflecting couple depends upon

Question # 23

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

Question # 24

the current is pass through the straight wire. The magnetic field established around it has its lines of force:

Question # 25

The torque per unit twist of coil is called

Question # 26

Resistance is measured in

Question # 27

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

Question # 28

Which is modified form of galvanometer

Question # 29

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

Question # 30

A voltmeter is used to measure the

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
2 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
3 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
4 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
5 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these
6 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
7 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
8 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
9 For the conversion of galvanometer into voltmeter, we connect a
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
10 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform

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