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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
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Question # 1
'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
Question # 2
The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
Question # 3
Magnetic induction is also called as:
Question # 4
The SI unit of magnetic flux is.
Question # 5
Resistance is measured in
Question # 6
A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
Question # 7
A resistance used in galvanometer to make it voltmeter is called
Question # 8
The torque per unit twist of coil is called
Question # 9
the current is pass
through the straight wire. The magnetic field established around it has its
lines of force:
Question # 10
The magnetic field inside a solenoid can be increased by:
Question # 11
Weber is a unit of
Question # 12
Tesla is the unit of
Question # 13
When the charged particle is projected at right angles to the field, then experienced by it will be:
Question # 14
The SI unit of magnetic flux is
Question # 15
Electron gun consist of
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ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | NmA-1 is commonly called: |
A. Weber
B. Apmere
C. Guass
D. Coulomb
|
| 3 | Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis: |
A. Maximum
B. Minimum
C. Zero
D. Very small
|
| 4 | The permeability of free space is measured in: |
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
|
| 5 | A shunt resistance parallel to the galvanometer is used to convert it into |
A. avometer
B. millimeter
C. voltmeter
D. none of these
|
| 6 | 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
|
| 7 | The galvanometer can be made sensitive if the value of the factor C/BAN is |
A. constant
B. small
C. large
D. none of these
|
| 8 | A beam of electrons is provided by an |
A. electron gun
B. Suppray
C. Injection
D. None of these
|
| 9 | The magnetic field outside the solenoid due to current is |
A. strong
B. zero
C. weak
D. uniform
|
| 10 | Charge to mass ratio (e/m) of an electron is given by the relation |
A. e/m = 2V/Br2
B. e/m = 2V/B2r
C. e/m = 2V/B2r2
D. e/m = V/2B2r2
|
Test Questions
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