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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
When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
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
The torque per unit twist of coil is called
Question # 4
The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by
Question # 5
If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
Question # 6
Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
Question # 7
If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is
Question # 8
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Question # 9
A current carrying conductor sets up its own:
Question # 10
Avo-meter is used of measure the
Question # 11
Magnetic induction is also called as:
Question # 12
The CRO deflects the beam of electrons, when they passes through uniform
Question # 13
CRO deflects the beam of
Question # 14
The direction of lines of force depends upon the direction of
Question # 15
F = I(L x B) is a
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ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The gavanometer constant of a moving coil galvanometer is given by |
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
|
| 2 | 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
|
| 3 | A full-scale deflection is obtained in a galvanometer with a current of few |
A. ampere
B. volts
C. milliampere
D. ohm
|
| 4 | 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
|
| 5 | It is customary represent a current flowing towards the reader by a symbol |
A. (x)
B. (+)
C. (.)
D. (-)
|
| 6 | F = I(L x B) is a |
A. vector
B. scalar
C. unit vector
D. none of these
|
| 7 | Tesla is the unit of |
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
|
| 8 | The current sensitivity of the galvanometer is |
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
|
| 9 | NmA-1 is commonly called: |
A. Weber
B. Apmere
C. Guass
D. Coulomb
|
| 10 | 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
|
Test Questions
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