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

A galvanometer is an instrument used to

Question # 2

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 3

The strength of magnetic field around the current conductor is

Question # 4

The current is measured in

Question # 5

The magnetic field inside a solenoid can be increased by:

Question # 6

The SI unit of flux density is

Question # 7

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 8

Magnetic induction is also called as:

Question # 9

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 10

Ammeter is used to measure

Question # 11

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 12

In a moving coil galvanometer, the deflecting couple depends upon

Question # 13

Lorentz force is defined as

Question # 14

Amperean path is a:

Question # 15

Centripetal force for electron is given by

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
3 NmA-1 is commonly called:
A. Weber
B. Apmere
C. Guass
D. Coulomb
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 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
6 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
7 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
8 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
9 If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:
A. Becomes Half
B. Becomes double
C. Is not affected
D. Becomes one fourth
10 41 The force experience, when proton projected in a magnetic field with velocity 'v' is
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)

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