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 SI unit of flux density is

Question # 2

A field is uniform and much stronger:

Question # 3

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

Question # 4

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

Question # 5

The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by

Question # 6

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 7

Electron gun consist of

Question # 8

If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is

Question # 9

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

Question # 10

The SI unit of magnetic flux is

Question # 11

A resistance used in voltmeter is called

Question # 12

The SI unit of magnetic flux is.

Question # 13

Ammeter is used to measure

Question # 14

For the conversion of galvanometer into voltmeter, we connect a

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
2 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
3 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
4 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
5 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
6 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
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 Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
A. Maximum
B. Minimum
C. Zero
D. Very small
9 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
10 The current is measured in
A. volts
B. watt
C. ampere
D. ohm

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