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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
Weber is a unit of
Question # 2
Which is modified form of galvanometer
Question # 3
When the charged particle is projected at right angles to the field, then experienced by it will be:
Question # 4
A beam of electrons is provided by an
Question # 5
The voltage increases linearly with
Question # 6
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
Question # 7
Amperean path is a:
Question # 8
To convert galvanometer into ammeter we connect
Question # 9
The magnetic field inside a solenoid can be increased by:
Question # 10
When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
Question # 11
Centripetal force for electron is given by
Question # 12
Total number of turns on 0.15 m length solenoid is 300. the value of n is:
Question # 13
When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
Question # 14
A resistance used in voltmeter is called
Question # 15
The SI unit of magnetic induction is
Top Scorers Of ECAT Physics Chapter 14 Electromagnetism MCQ`s Test
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H Heer 23 - Jan - 2024 00 Min 43 Sec 60/60 -
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R Rizwan Khuharo 13 - Apr - 2024 00 Min 51 Sec 60/60 -
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K Kifayet Ali 01 - Jun - 2024 04 Min 01 Sec 45/60 -
P Paris Ali 30 - Jul - 2024 08 Min 52 Sec 45/60
ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by: |
A.
Thumb
B.
Curled fingers
C.
Middle finger
D.
Arm of right hand |
| 2 | A full-scale deflection is obtained in a galvanometer with a current of few |
A. ampere
B. volts
C. milliampere
D. ohm
|
| 3 | The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by |
A. F=IB/L
B. F= L x B/I
C. F = IL x B
D. F = IL . B
|
| 4 | 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 |
| 5 | The e/m of an electron moving in a circular path in a magnetic field is equal to |
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
|
| 6 | 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
|
| 7 |
Amperean path is a: |
A.
Closed path
B.
Rectangular path
C.
Circular path
D.
Any
of above |
| 8 | Current is measured in |
A. volts
B. watt
C. ohm
D. ampere
|
| 9 | Lorentz force is defined as |
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
|
| 10 | 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)
|
Test Questions
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