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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
A beam of electrons is provided by an
Question # 2
The current is measured in
Question # 3
F = I(L x B) is a
Question # 4
When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
Question # 5
In order to make a voltmeter, high resistance is connected with galvanometer, in
Question # 6
A shunt resistance parallel to the galvanometer is used to convert it into
Question # 7
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 # 8
The torque per unit twist of coil is called
Question # 9
The force experienced by charged particle is maximum, if it moves
Question # 10
The SI unit of magnetic permeability is
Question # 11
Current is measured in
Question # 12
The SI unit of flux density is
Question # 13
The SI unit of flux density is.
Question # 14
A charged particle moving at right angle to the magnetic field will experience
Question # 15
Lorentz force is defined as
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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 | A solenoid is a coil of wire which is: |
A.
Short, loosely wound, cylindrical
B.
Long, tightly wound,
spherical
C.
Long, loosely wound,
cylindrical
D.
Long,
tightly wound, cylindrical |
| 2 | A long wire wound tightly on a cylindrical core is called: |
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
|
| 3 | 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
|
| 4 | In a straight current carrying conductor, the direction of magnetic field can be found by |
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
|
| 5 | If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made |
A. Sensitive
B. Accurate
C. Stable
D. None of these
|
| 6 | A relationship between Gauses of magnetic induction and Tesla(T) is given by |
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
|
| 7 |
the current is pass
through the straight wire. The magnetic field established around it has its
lines of force: |
A.
Circular
and endless
B.
Oval in shape and
endless
C.
Straight
D.
Parabolic |
| 8 | The magnetic field inside a solenoid can be increased by: |
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
|
| 9 | 41 The force experience, when proton projected in a magnetic field with velocity 'v' is |
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
|
| 10 | Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as |
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
|
Test Questions