ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

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ECAT Physics Chapter 14 Electromagnetism

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Question # 1

The gavanometer constant of a moving coil galvanometer is given by

Question # 2

The SI unit of magnetic flux is.

Question # 3

Magnetic lines of force:

Question # 4

For the conversion of galvanometer into voltmeter, we connect a

Question # 5

In the region surrounding a current carrying wire:

Question # 6

A charged particle moving at right angle to the magnetic field will experience

Question # 7

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 8

The direction of lines of force depends upon the direction of

Question # 9

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 10

The magnetic field outside the solenoid due to current is

Question # 11

The current sensitivity of the galvanometer is

Question # 12

In a moving coil galvanometer, the deflecting couple depends upon

Question # 13

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 14

The SI unit of flux density is.

Question # 15

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
2 The force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
3 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
4 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
5 In the formula B= µ̻ nl, the symbol n denotes:
A.

Total number of turns of solenoid

B.

Number of turns per unit length

C.

Number of turns per unit volume

D.

Numbers of turns per unit area

6 The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
A. parallel to the field
B. Perpendicular to the field
C. At an angle of 45 to the field
D. None of the above
7 The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
8

The pointer of a magnetic compass:

A.

Is affected only by permanent magnets

B.

Align itself parallel to the applied magnetic field

C.

Vibrates in the magnetic field of the current

D.

Aligns itself perpendicular to the magnetic field

9 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
10 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2

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