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

In order to make a voltmeter, high resistance is connected with galvanometer, in

Question # 2

The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the

Question # 3

The SI unit of magnetic flux is.

Question # 4

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

Question # 5

A beam of electrons is provided by an

Question # 6

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

Question # 7

Method "lamp and scale arrangement" used to measure the

Question # 8

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

Question # 9

Centripetal force for electron is given by

Question # 10

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 11

In the region surrounding a current carrying wire:

Question # 12

The vector representation of force experience give the direction of

Question # 13

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
2 A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
A. Zero
B. 105 m
C. 10-10N
D. 108N
3 A resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
4 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
5 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
6 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
7 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
8 When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is
A. 90°
B. 75°
C. 0°
D. 180°
9 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
10 To convert galvanometer into ammeter we connect
A. small resistance in parallel with galvanometer
B. small resistance in series with galvanometer
C. high resistance in series with galvanometer
D. high resistance in parallel with galvanometer

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