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

The direction of lines of force depends upon the direction of

Question # 2

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 3

The sources of magnetic field are

Question # 4

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

Question # 5

Resistance is measured in

Question # 6

A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is

Question # 7

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

Question # 8

The magnetic field outside the solenoid due to current is

Question # 9

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

Question # 10

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

Question # 11

The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of

Question # 12

To convert galvanometer into ammeter we connect

Question # 13

A resistance used in galvanometer to make it voltmeter is called

Question # 14

Magnetic flux and flux density are related by

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
3 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
4 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)
5 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:
A. -y direction
B. +y direction
C. +z direction
D. -z direction
6 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
7 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
8 In the expression of force experienced by electron, the direction of both v and B are
A. parallel
B. zero
C. perpendicular
D. none of them
9 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
10 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform

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