Question # 1

A resistance used in voltmeter is called

Choose an answer

shunt resistance

high resistance

low resistance

zero resistance

Tesla is the unit of

Choose an answer

Magnetic induction or flux density

Magnetic flux

Self inductance

None of these

The SI unit of magnetic flux is

Choose an answer

NmA^-2

NmA^-1

NAm^-1

Nm²A^-1

F = I(L x B) is a

Choose an answer

vector

scalar

unit vector

none of these

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

Choose an answer

n/AL

Al/n

nAL

nA/L

Avo-meter is used of measure the

Choose an answer

current, voltage

voltage, resistance

resistance, current

current, voltage and resistance

The voltage increases linearly with

Choose an answer

time

velocity

acceleration

torque

In a moving coil galvanometer, the deflecting couple depends upon

Choose an answer

area of the coil

number of turns of coil

value of magnetic field

all of the above

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

Choose an answer

ampere

volts

milliampere

ohm

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Choose an answer

0

1

0.5

-1

The field around a moving charge is called

Choose an answer

magnetic field

conservative field

non-conservative field

none of these

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

Choose an answer

constant

small

large

none of these

Magnetic flux and flux density are related by

Choose an answer

Flux density = flux x area

Flux density = flux / area

Flux density = flux - area

None of these

Magnetic lines of force:

Choose an answer

Cannot intersect at all

Intersect at infinity

Intersect within magnet

Intersect at Neutral Point

None of these

In a straight current carrying conductor, the direction of magnetic field can be found by

Choose an answer

right hand rule

left hand rule

head to tall rule

none of these

Magnetic induction is also called as:

Choose an answer

Ampere’s law

Faraday’s law

Lenz’s law

Newton’s law

Coulomb’s law

More Classes

Other Links

Physics ECAT Pre Engineering Chapter 14 Electromagnetism Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer