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

Tesla is the unit of

Question # 2

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

Question # 3

The pointer of a magnetic compass:

Question # 4

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 5

Flurescent screen is a screen where visible spot

Question # 6

Amperean path is a:

Question # 7

Avo-meter is used of measure the

Question # 8

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

Question # 9

The voltage increases linearly with

Question # 10

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 11

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

Question # 12

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

Question # 13

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 14

Method "lamp and scale arrangement" used to measure the

Question # 15

NmA-1 is commonly called:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
2 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
3 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
4 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these
5 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
6 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
7 Charge to mass ratio (e/m) of an electron is given by the relation
A. e/m = 2V/Br2
B. e/m = 2V/B2r
C. e/m = 2V/B2r2
D. e/m = V/2B2r2
8 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
9 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
10 For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
A. modification
B. voltage
C. current
D. resistance

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