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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
Which is modified form of galvanometer
Question # 2
The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by
Question # 3
A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is
Question # 4
The sources of magnetic field are
Question # 5
NmA-1 is commonly called:
Question # 6
Avo-meter is used of measure the
Question # 7
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 # 8
The field around a moving charge is called
Question # 9
Centripetal force for electron is given by
Question # 10
The magnetic field in the middle of a solenoid due to current is
Question # 11
The force acting on a charge moving in a magnetic field
Question # 12
A full-scale deflection is obtained in a galvanometer with a current of few
Question # 13
The SI unit of magnetic induction is
Question # 14
Resistance is measured in
Question # 15
To convert galvanometer into ammeter we connect
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ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | The field around a moving charge is called |
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
|
| 3 | 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
|
| 4 | When current passes through a solenoid coil, it behaves like a |
A. loop
B. circle
C. bar magnet
D. none of these
|
| 5 | Avo-meter is used of measure the |
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
|
| 6 | 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 |
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
|
| 7 | The SI unit of flux density is |
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
|
| 8 | 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
|
| 9 | A beam of electrons is provided by an |
A. electron gun
B. Suppray
C. Injection
D. None of these
|
| 10 | 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
|
Test Questions
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