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 voltage increases linearly with

Question # 2

The strength of magnetic field around the current conductor is

Question # 3

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 4

The direction of lines of force depends upon the direction of

Question # 5

A voltmeter is used to measure the

Question # 6

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 7

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 8

To convert galvanometer into ammeter we connect

Question # 9

The SI unit of flux density is.

Question # 10

Electron gun consist of

Question # 11

A current carrying conductor sets up its own:

Question # 12

In the region surrounding a current carrying wire:

Question # 13

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

Question # 14

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

Question # 15

Magnetic flux and flux density are related by

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
D. none of these
2 In a straight current carrying conductor, the direction of magnetic field can be found by
A. right hand rule
B. left hand rule
C. head to tall rule
D. none of these
3 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
4 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
5 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
6 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
7 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
8 The SI unit of magnetic induction is tesla which is equal to
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
9 The most suitable material for permanent magnet is
A. cobalt
B. iron
C. steel
D. alaminium
10 In a moving coil galvanometer, the deflecting couple depends upon
A. area of the coil
B. number of turns of coil
C. value of magnetic field
D. all of the above

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