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 pointer of a magnetic compass:

Question # 2

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 3

Magnetic induction is also called as:

Question # 4

Galvanometer is a device used for the detection of

Question # 5

Weber is a unit of

Question # 6

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 # 7

A long wire wound tightly on a cylindrical core is called:

Question # 8

A current carrying conductor sets up its own:

Question # 9

the current is pass through the straight wire. The magnetic field established around it has its lines of force:

Question # 10

Avo-meter is used of measure the

Question # 11

The SI unit of magnetic induction is tesla which is equal to

Question # 12

The current is measured in

Question # 13

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 14

The current sensitivity of the galvanometer is

Question # 15

In a moving coil galvanometer, the deflecting couple depends upon

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
5 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
6 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
7 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
8 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
9 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
10 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance

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