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 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

Question # 2

F = I(L x B) is a

Question # 3

A solenoid is a coil of wire which is:

Question # 4

A field is uniform and much stronger:

Question # 5

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

Question # 6

In the formula B= µ̻ nl, the symbol n denotes:

Question # 7

Centripetal force for electron is given by

Question # 8

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 9

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

Question # 10

Galvanometer is a device used for the detection of

Question # 11

The SI unit of magnetic induction is

Question # 12

The force experienced by charged particle is maximum, if it moves

Question # 13

A galvanometer is an instrument used to

Question # 14

The SI unit of magnetic flux is.

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 The unit of flux density is also given by
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
3 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
4 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
5 When some compass needles are placed on a card board along a circle with the center at the wire, they will
A.

Point the direction of N-S

B.

Set themselves tangential to the circle

C.

Point in the direction of E-W

D.

None of these
6 A galvanometer is an instrument used to
A. measure voltage across a circuit
B. detect current in a circuit
C. measure current flowing through a circuit
D. none of these
7 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
8 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
9 Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
10 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss

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