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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 working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon
Question # 2
A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called
Question # 3
Total number of turns on 0.15 m length solenoid is 300. the value of n is:
Question # 4
A current carrying conductor sets up its own:
Question # 5
A shunt resistance parallel to the galvanometer is used to convert it into
Question # 6
To convert galvanometer into ammeter we connect
Question # 7
For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
Question # 8
The working of galvanometer depends upon torque exerted on a current carrying coil in
Question # 9
The e/m of an electron moving in a circular path in a magnetic field is equal to
Question # 10
Magnetic lines of force:
Question # 11
Galvanometer is a device used for the detection of
Question # 12
The direction of lines of force depends upon the direction of
Question # 13
The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
Question # 14
(CRO) Cathode ray oscilloscope is a device used for high speed
Question # 15
Tesla is the unit of
Top Scorers Of ECAT Physics Chapter 14 Electromagnetism MCQ`s Test
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P Paris Ali 30 - Jul - 2024 08 Min 52 Sec 45/60
ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | How many number of anodes used in electron gun |
A. one
B. two
C. three
D. six
|
| 3 | The field around a moving charge is called |
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
|
| 4 | When the charged particle is projected at right angles to the field, then experienced by it will be: |
A. Maximum
B. Zero
C. qvB
D. Both (A) and (B)
|
| 5 | A beam of electrons is provided by an |
A. electron gun
B. Suppray
C. Injection
D. None of these
|
| 6 | Magnetic flux and flux density are related by |
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
|
| 7 | 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 |
| 8 | 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
|
| 9 | 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
|
| 10 | The strength of magnetic field around the current conductor is |
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
|
Test Questions