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

Avo-meter is used of measure the

Question # 2

The SI unit of magnetic permeability is

Question # 3

The e/m of an electron moving in a circular path in a magnetic field is equal to

Question # 4

The CRO is used for displaying the waveform of a given

Question # 5

Strength of magnetic field is measured in SI units, in:

Question # 6

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 # 7

CRO deflects the beam of

Question # 8

The SI unit of magnetic flux is.

Question # 9

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

Question # 10

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

Question # 11

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

Question # 12

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

Question # 13

Amperean path is a:

Question # 14

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 15

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are
A. n/AL
B. Al/n
C. nAL
D. nA/L
2 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
3 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
4 The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
5 The SI unit of flux density is
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
6 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
7 If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:
A. Becomes Half
B. Becomes double
C. Is not affected
D. Becomes one fourth
8 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
9 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
10 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
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance

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