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 working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 2

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

Question # 3

The CRO is used for displaying the waveform of a given

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

Current is measured in

Question # 6

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 7

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 # 8

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

Question # 9

A current carrying conductor sets up its own:

Question # 10

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

Question # 11

The SI unit of magnetic induction is tesla which is equal to

Question # 12

It is customary represent a current flowing towards the reader by a symbol

Question # 13

The SI unit of magnetic induction is

Question # 14

Magnetic induction is also called as:

Question # 15

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of magnetic permeability is
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
2 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
3 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
4 Current is measured in
A. volts
B. watt
C. ohm
D. ampere
5 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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
6 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
7 Total number of turns on 0.15 m length solenoid is 300. the value of n is:
A. Greater than 300
B. Smaller than 300
C. Equal to 300
D. Any of (A) or (B)
8 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
9 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque
10 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance

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