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

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 2

A resistance used in galvanometer to make it voltmeter is called

Question # 3

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

Question # 4

A field is uniform and much stronger:

Question # 5

The sources of magnetic field are

Question # 6

Galvanometer is a device used for the detection of

Question # 7

Magnetic lines of force:

Question # 8

How many number of anodes used in electron gun

Question # 9

Ammeter is used to measure

Question # 10

The current is measured in

Question # 11

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

Question # 12

The permeability of free space is measured in:

Question # 13

A resistance used in voltmeter is called

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
2 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
3 The SI unit of magnetic induction is tesla which is equal to
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
4 The SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
5 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
6 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
7 'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
A. 0
B. 1
C. 0.5
D. -1
8

The pointer of a magnetic compass:
A.

Is affected only by permanent magnets

B.

Align itself parallel to the applied magnetic field

C.

Vibrates in the magnetic field of the current

D.

Aligns itself perpendicular to the magnetic field
9 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
10 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

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