AC Fundamentals Final Unit 19

1.8 secs

A 100 mF capacitor and a 3.6 k W resistor are connected in series. How long will it take for the capacitor to change its charge completely?

dielectric

A HIPOT is a test set used to test capacitor _____.

plates;dielectrics

A capacitor is constructed by separating two metal conductors called _____ with an insulating material called a(n) _____.

5

A charge curve for a capacitor is divided into _____ time constants.

capacitor

A device that opposes a change of voltage is a(n) _____.

increase

Increasing the surface area of the plates will cause the capacitance of a capacitor to _____.

can be used with AC or DC

Nonpolarized capacitors _____.

military

The JAN standard is used to mark a capacitor intended for _____.

electrostatic charge

Energy in a capacitor is stored as a(n) _____.

voltage difference between the plates

In a capacitor, the amount of dielectric stress is proportional to the _____.

amount of dielectric stress

In a capacitor, the voltage difference between the plates controls the _____.

leakage

In some capacitors there is a small amount of current that flows from one plate, through the dielectric material to the other plate. This current is called _____ current.

must be used with DC only

Polarized capacitors _____.

electrolytic

Polarized capacitors are also known as _____ capacitors.

f

The farad is symbolized by the letter _____.

dielectric constant

The material between the plates is rated by a value called the _____.

farad

The unit capacitance is the _____.

air

Variable capacitors normally have a dielectric of _____.

RC time constant

When a capacitor is connected in a circuit with a resistor, the amount of time needed to charge the capacitor is called the _____.

exponential

Capacitors charge and discharge at a(n) _____ rate.