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

Magnetic induction is also called as:

Question # 2

When current passes through a solenoid coil, it behaves like a

Question # 3

Galvanometer is a device used for the detection of

Question # 4

The SI unit of magnetic induction is

Question # 5

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

Question # 6

The SI unit of magnetic permeability is

Question # 7

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 8

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

Question # 9

The unit of magnetic flux is

Question # 10

The force acting on a charge moving in a magnetic field

Question # 11

The force experienced by charged particle is maximum, if it moves

Question # 12

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 13

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 # 14

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

Question # 15

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:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
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
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance
3 The force acting on a charge moving in a magnetic field
A. is perpendicular to the both magnetic field and direction of motion
B. is proportional to the magnetic of charges
C. vanishes when the motion is directly opposite to the direction of field
D. all of the above
4 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
A. F = B2
B. F = 0
C. F = B
D. F = B/2
5 The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon
A. Heating effect of current
B. Chemical effect of current
C. Magnetic effect of current
D. Electromagnetic effect of current
6 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
7 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
8 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
9 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)
10 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance

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