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

Avo-meter is used of measure the

Question # 2

Centripetal force for electron is given by

Question # 3

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

Question # 4

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

Question # 5

The torque per unit twist of coil is called

Question # 6

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

Question # 7

The field around a moving charge is called

Question # 8

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 9

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

Question # 10

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 11

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

Question # 12

Which one of the following relations is correct?

Question # 13

The SI unit of flux density is.

Question # 14

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 15

The SI unit of magnetic flux is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 For the conversion of galvanometer into voltmeter, we connect a
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
2 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
3 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
4 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
5 Charge to mass ratio (e/m) of an electron is given by the relation
A. e/m = 2V/Br2
B. e/m = 2V/B2r
C. e/m = 2V/B2r2
D. e/m = V/2B2r2
6 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
7 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
8 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
9 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
10 A solenoid is a coil of wire which is:
A.

Short, loosely wound, cylindrical

B.

Long, tightly wound, spherical

C.

Long, loosely wound, cylindrical

D.

Long, tightly wound, cylindrical

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