ECAT Pre Engineering Physics Chapter 14 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Question # 1

The current sensitivity of the galvanometer is

Question # 2

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

Question # 3

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 4

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

Question # 5

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 6

The SI unit of magnetic induction is tesla which is equal to

Question # 7

The field around a moving charge is called

Question # 8

A charged particle moving at right angle to the magnetic field will experience

Question # 9

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

Question # 10

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 11

The angle of deflection of coil can be measured by the

Question # 12

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

Question # 13

The most suitable material for permanent magnet is

Question # 14

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

Question # 15

A resistance used in voltmeter is called

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The e/m of an electron moving in a circular path in a magnetic field is equal to
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
2 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area
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 The force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
5 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
6 When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
7 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
8 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
9 The SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
10 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these

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