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 vector representation of force experience give the direction of

Question # 2

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 # 3

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

Question # 4

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

Question # 5

The most suitable material for permanent magnet is

Question # 6

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

Question # 7

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

Question # 8

The voltage increases linearly with

Question # 9

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

Question # 10

F = I(L x B) is a

Question # 11

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

Question # 12

A beam of electrons is provided by an

Question # 13

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

Question # 14

The strength of magnetic field around the current conductor is

Question # 15

The unit of magnetic flux is

Question # 16

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 17

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

Question # 18

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 19

Magnetic flux and flux density are related by

Question # 20

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

Question # 21

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

Question # 22

NmA-1 is commonly called:

Question # 23

The angle of deflection of coil can be measured by the

Question # 24

Magnetic induction is also called as:

Question # 25

In a moving coil galvanometer, the deflecting couple depends upon

Question # 26

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

Question # 27

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

Question # 28

A resistance used in voltmeter is called

Question # 29

The force acting on a charge moving in a magnetic field

Question # 30

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
2 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
3 The working of galvanometer depends upon torque exerted on a current carrying coil in
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
4 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these
5 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
6 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
7 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
8 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
9 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
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
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance

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