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 current is measured in

Question # 2

Galvanometer is a device used for the detection of

Question # 3

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 4

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

Question # 5

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

Question # 6

The magnetic field outside the solenoid due to current is

Question # 7

A solenoid is a coil of wire which is:

Question # 8

The SI unit of magnetic flux is.

Question # 9

Resistance is measured in

Question # 10

if the field is directed along the normal to the area, then flux is:

Question # 11

The vector representation of force experience give the direction of

Question # 12

A current carrying conductor sets up its own:

Question # 13

The e/m of an electron moving in a circular path in a magnetic field is equal to

Question # 14

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 15

The SI unit of magnetic flux is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
3 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
4 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
5 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
6 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
7 In the expression of force experienced by electron, the direction of both v and B are
A. parallel
B. zero
C. perpendicular
D. none of them
8 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
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 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb

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