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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
Which is modified form of galvanometer
Question # 2
The torque per unit twist of coil is called
Question # 3
CRO deflects the beam of
Question # 4
The vector representation of force experience give the direction of
Question # 5
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 # 6
A field is uniform and much stronger:
Question # 7
NmA-1 is commonly called:
Question # 8
The SI unit of magnetic flux is
Question # 9
The CRO deflects the beam of electrons, when they passes through uniform
Question # 10
When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
Question # 11
Current is measured in
Question # 12
A shunt resistance parallel to the galvanometer is used to convert it into
Question # 13
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 14
Ammeter is used to measure
Question # 15
The angle of deflection of coil can be measured by the
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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 | In the region surrounding a current carrying wire: |
A. A magnetic field is
setup
B.
The lines of force are
elliptical
C.
Direction of lines of
forces depends upon direction of current
D.
Both
(A) and (C) |
| 2 | Strength of magnetic field is measured in SI units, in: |
A. N
B. N/Am
C. Am/N
D. Nm/A
|
| 3 | Flurescent screen is a screen where visible spot |
A. vanishes
B. is made
C. becomes small and large
D. none of these
|
| 4 | When some compass needles are placed on a card board along a circle with the center at the wire, they will |
A.
Point
the direction of N-S
B.
Set themselves tangential
to the circle
C.
Point in the direction
of E-W
D.
None of these |
| 5 | 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)
|
| 6 | How many number of anodes used in electron gun |
A. one
B. two
C. three
D. six
|
| 7 | F = I(L x B) is a |
A. vector
B. scalar
C. unit vector
D. none of these
|
| 8 | Magnetic lines of force: |
A.
Cannot
intersect at all
B.
Intersect at infinity
C.
Intersect within magnet
D.
Intersect at Neutral Point |
| 9 | The current is measured in |
A. volts
B. watt
C. ampere
D. ohm
|
| 10 | 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
|
Test Questions