Exam 11: Capacitive Loads

Capacitors are devices that support a change of voltage.

Inductive VARs and capacitive VARs are ____ degrees out of phase with each other.

What is the disadvantage of the dry-type electrolytic capacitor?

The power value for a capacitor is reactive and is measured in VARs.

____ capacitors are often referred to as AC capacitors because they are not sensitive to polarity connection.

Capacitors contain insulating materials known as ____.

The basic unit of capacitance is the ____.

Polarized capacitors can be used in AC circuits only.

Capacitors can produce currents of thousands of amperes for short periods of time.

Polarized capacitors are generally referred to as ____ capacitors.

A dielectric test set is often referred to as a ____.

When a capacitor is connected to an alternating current circuit, current will appear to flow through the capacitor.

A 35- $\mu$ F capacitor is connected to a 120-V, 60-Hz line. How much current will flow in this circuit?

Variable capacitors are generally rated in ____.

What is the formula for capacitive reactance?

The ____ is sometimes referred to as a micro-microfarad.

The energy of the capacitor is stored in the dielectric in the form of an ____ charge.

Air is assigned the dielectric constant ____ and is used as a reference for comparison.

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

The stretching of the atoms of the dielectric is called dielectric ____.