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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
The sources of magnetic field are
Question # 2
The field around a moving charge is called
Question # 3
Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
Question # 4
the current is pass
through the straight wire. The magnetic field established around it has its
lines of force:
Question # 5
A current carrying conductor sets up its own:
Question # 6
The permeability of free space is measured in:
Question # 7
When current passes through a solenoid coil, it behaves like a
Question # 8
The working of galvanometer depends upon torque exerted on a current carrying coil in
Question # 9
When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is
Question # 10
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Question # 11
In the expression of force experienced by electron, the direction of both v and B are
Question # 12
The SI unit of magnetic permeability is
Question # 13
A solenoid is a coil of wire which is:
Question # 14
magnetic field is a:
Question # 15
The direction of lines of force depends upon the direction of
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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 | The current is measured in |
A. volts
B. watt
C. ampere
D. ohm
|
| 2 | It is customary represent a current flowing towards the reader by a symbol |
A. (x)
B. (+)
C. (.)
D. (-)
|
| 3 | Magnetic flux and flux density are related by |
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
|
| 4 | The SI unit of magnetic flux is |
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
|
| 5 | When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into |
A. Voltmeter
B. Avometer
C. Ammeter
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 | 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)
|
| 8 | When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be |
A. changed
B. zero
C. unchanged
D. none of these
|
| 9 |
Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is: |
A. BACosѲ
B. Zero
C. BA
D. BA sinѲ
|
| 10 | A long wire wound tightly on a cylindrical core is called: |
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
|
Test Questions
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