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MCQ's Test For ECAT Physics Chapter 14 Electromagnetism
Try The MCQ's Test For ECAT Physics Chapter 14 Electromagnetism
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 14 Electromagnetism
00:00
Question # 1
The magnetic field inside a solenoid can be increased by:
Question # 2
The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon
Question # 3
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:
Question # 4
A resistance used in voltmeter is called
Question # 5
The strength of magnetic field around the current conductor is
Question # 6
Which is modified form of galvanometer
Question # 7
A resistance used in galvanometer to make it voltmeter is called
Question # 8
A beam of electrons is provided by an
Question # 9
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 # 10
Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
Question # 11
The current sensitivity of the galvanometer is
Question # 12
Ammeter is used to measure
Question # 13
The CRO deflects the beam of electrons, when they passes through uniform
Question # 14
Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
Question # 15
Avo-meter is used of measure the
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K Kifayet Ali 01 - Jun - 2024 04 Min 01 Sec 45/60 -
P Paris Ali 30 - Jul - 2024 08 Min 52 Sec 45/60
ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | F = I(L x B) is a |
A. vector
B. scalar
C. unit vector
D. none of these
|
| 2 | Avo-meter is used of measure the |
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
|
| 3 | A full-scale deflection is obtained in a galvanometer with a current of few |
A. ampere
B. volts
C. milliampere
D. ohm
|
| 4 | Magnetic induction is also called as: |
A.
Ampere’s
law
B.
Faraday’s law
C.
Lenz’s law
D.
Newton’s law |
| 5 | The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon |
A. Heating effect of current
B. Chemical effect of current
C. Magnetic effect of current
D. Electromagnetic effect of current
|
| 6 | A resistance used in galvanometer to make it voltmeter is called |
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
|
| 7 | 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
|
| 8 | The unit of flux density is also given by |
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
|
| 9 | 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
|
| 10 | Current is measured in |
A. volts
B. watt
C. ohm
D. ampere
|
Test Questions
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