Question # 1

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

The vector representation of force experience give the direction of

Choose an answer

magnetic field

current

length of conductor

force

A beam of electrons is provided by an

Choose an answer

electron gun

Suppray

Injection

None of these

Which is modified form of galvanometer

Choose an answer

potentiometer

battery

voltmeter

slide wire bridge

The e/m of an electron moving in a circular path in a magnetic field is equal to

Choose an answer

V/Br

V/B²r²

V²/Br²

V²/Br

A resistance used in galvanometer to make it voltmeter is called

Choose an answer

shunt resistance

high resistance

zero resistance

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

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

Choose an answer

(x)

(+)

(.)

(-)

(÷)

CRO deflects the beam of

Choose an answer

proton

a-particle

electron

neutron

The direction of lines of force depends upon the direction of

Choose an answer

voltage

current

charges

none of these

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

Choose an answer

Voltmeter

Avometer

Ammeter

None of these

The unit of flux density is also given by

Choose an answer

Weber/m²or Wb . m^-2

Weber/mor Wb . m

Weber/mor Wb . m^-1

Weber or Wb

Current is measured in

Choose an answer

volts

watt

ohm

ampere

The field around a moving charge is called

Choose an answer

magnetic field

conservative field

non-conservative field

none of these

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

Choose an answer

magnetic field

electric field

gravitational field

nuclear field

The current is measured in

Choose an answer

volts

watt

ampere

ohm

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