MATERIALS AND COMPONENTS QUIZ

Which inductor is used at high frequencies?

Iron alloy cored

Cast iron cored

Ceramic cored

Sheet steel cored

TRUE ANSWER : ?
YOUR ANSWER : ?

For making a capacitor it is better to have a dielectric having

Permittivity same as that of air

Permittivity which is neither high nor low

High permittivity

Low permittivity

TRUE ANSWER : ?
YOUR ANSWER : ?

The resistance of a photoconductor

Increases with increase in light intensity

Decreases with increase in light intensity

Remains constant

May increase or decrease with increase in light intensity

TRUE ANSWER : ?
YOUR ANSWER : ?

Which inductor is linear?

Iron alloy cored

Cast iron cored

Sheet steel cored

Air cored

TRUE ANSWER : ?
YOUR ANSWER : ?

The most important set of specifications of transformer oil include

dielectric strength and flash point

dielectric strength and viscosity

flash point and viscosity

viscosity and flash point

TRUE ANSWER : ?
YOUR ANSWER : ?

On the basis of the type of chemical bonds, solids may be classified into

Ionic crystal, valence crystals and metals

Ionic crystals

Ionic and valence crystals

Ionic crystals, valence crystals, metal and vander wall crystals

TRUE ANSWER : ?
YOUR ANSWER : ?

The dielectric losses do not depend on frequency.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

Electric dipole moment is expressed in debye unit.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

A leakage capacitor can be represented by a capacitance C and resistance R in parallel C.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

The phenomenon of dielectric hysteresis occurs with

DC

None of these

Both AC and DC

AC

TRUE ANSWER : ?
YOUR ANSWER : ?

↑