Which capacitor-store higher amount of energy?

Air capacitor

Mica capacitor

Paper capacitor

Plastic film capacitor

Correct Answer : Option (B) : Mica capacitor

Explanation : Energy stored is proportional to capacitance and capacitance is proportional to permittivity.

Recently Updated in Materials and Components Questions

Magnetic hysteresis phenomenon is explained by

domain rotation

motion of domain walls

motion of domain walls and domain rotation

None of the above

Correct Answer : motion of domain walls and domain rotation

A circular sphere mile is the area of cross-section of a wire

having a radius equal to 1 miles

having a circumference equal to 1 miles

having a circumference equal to 0 miles

having a diameter equal to 1 miles

Correct Answer : having a diameter equal to 1 miles

For small size high frequency coils, the most common core material is

steel

ferrite

air

powdered iron

Correct Answer : air