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

A field is uniform and much stronger:

Question # 2

Which one of the following relations is correct?

Question # 3

The current sensitivity of the galvanometer is

Question # 4

Tesla is the unit of

Question # 5

The current is measured in

Question # 6

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

Question # 7

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

Question # 8

In a moving coil galvanometer, the deflecting couple depends upon

Question # 9

NmA-1 is commonly called:

Question # 10

The force acting on a charge moving in a magnetic field

Question # 11

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 12

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 13

The magnetic field outside the solenoid due to current is

Question # 14

How many number of anodes used in electron gun

Question # 15

F = I(L x B) is a

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
2 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
3 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these
4

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
5 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
6 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
7 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
8 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
9 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
10 Total number of turns on 0.15 m length solenoid is 300. the value of n is:
A. Greater than 300
B. Smaller than 300
C. Equal to 300
D. Any of (A) or (B)

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