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

Amperean path is a:

Question # 2

A voltmeter is used to measure the

Question # 3

The magnetic field inside a solenoid can be increased by:

Question # 4

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

Question # 5

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

Question # 6

In a moving coil galvanometer, the deflecting couple depends upon

Question # 7

The angle of deflection of coil can be measured by the

Question # 8

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

Question # 9

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

Question # 10

The unit of flux density is also given by

Question # 11

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

Question # 12

Which one of the following relations is correct?

Question # 13

The sources of magnetic field are

Question # 14

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these
4 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
5 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
6 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
7 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
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 The force experienced by an electron projected in a magnetic field B with a velocity V is given by
A. F=e(V x B)
B. F= -e(V x B)
C. F= e(B x V)
D. Both a and c
10 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

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