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 shunt resistance parallel to the galvanometer is used to convert it into

Question # 2

Flurescent screen is a screen where visible spot

Question # 3

A field is uniform and much stronger:

Question # 4

A voltmeter is used to measure the

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Tesla is the unit of

Question # 9

Weber is a unit of

Question # 10

At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:

Question # 11

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

Question # 12

The vector representation of force experience give the direction of

Question # 13

The permeability of free space is measured in:

Question # 14

Ammeter is used to measure

Question # 15

It is customary represent a current flowing towards the reader by a symbol

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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 e/m of an electron moving in a circular path in a magnetic field is equal to
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
3 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
4 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
5 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
6 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
7 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)
8

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
9 A full-scale deflection is obtained in a galvanometer with a current of few
A. ampere
B. volts
C. milliampere
D. ohm
10 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque

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