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 vector representation of force experience give the direction of

Question # 2

A beam of electrons is provided by an

Question # 3

Magnetic flux and flux density are related by

Question # 4

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

Question # 5

Centripetal force for electron is given by

Question # 6

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 # 7

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 8

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

Question # 9

Galvanometer is a device used for the detection of

Question # 10

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

Question # 11

A resistance used in voltmeter is called

Question # 12

The most suitable material for permanent magnet is

Question # 13

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 14

The CRO is used for displaying the waveform of a given

Question # 15

A voltmeter is used to measure the

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
2 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
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
3 The direction of lines of force depends upon the direction of
A. voltage
B. current
C. charges
D. none of these
4 A resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
5 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
6 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
7 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
8 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
9 The most suitable material for permanent magnet is
A. cobalt
B. iron
C. steel
D. alaminium
10

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above

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