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

CRO deflects the beam of

Question # 2

The angle of deflection of coil can be measured by the

Question # 3

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

Question # 4

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

Question # 5

The magnetic field inside a solenoid can be increased by:

Question # 6

Method "lamp and scale arrangement" used to measure the

Question # 7

Flurescent screen is a screen where visible spot

Question # 8

The current sensitivity of the galvanometer is

Question # 9

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

Question # 10

The vector representation of force experience give the direction of

Question # 11

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

Question # 12

Lorentz force is defined as

Question # 13

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 # 14

NmA-1 is commonly called:

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
2 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
3 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
4 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
A. F = B2
B. F = 0
C. F = B
D. F = B/2
5 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
6 Flurescent screen is a screen where visible spot
A. vanishes
B. is made
C. becomes small and large
D. none of these
7 A galvanometer is an instrument used to
A. measure voltage across a circuit
B. detect current in a circuit
C. measure current flowing through a circuit
D. none of these
8 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
9 When the charged particle is projected at right angles to the field, then experienced by it will be:
A. Maximum
B. Zero
C. qvB
D. Both (A) and (B)
10 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them

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