Exam 16: Alternating Current

What is the RMS value of an AC voltage that has a 480 V peak?

If an AC waveform is rectified and converted into DC, the voltage value that results is the _____ value.

Rotating machines normally produce a waveform called a _____ wave.

Frequency is measured in _____.

The number of cycles completed in one second is called a _____.

What is the most common of all AC waveforms?

The square root of the mean of the square of the instantaneous currents is known as the _____.

The_____ effect occurs when AC induces eddy currents into the conductor, which cause the electrons to be repelled toward the outer surface of the conductor.

A term used to indicate the same value as the RMS value is the _____ value.

The amplitude of a waveform is measured from _____.

The maximum point of a waveform is called the _____.

In a DC circuit, the product of volts times the amperes is called the _____ power.

To help overcome the problem of skin effect in high-frequency circuits, conductors with a large amount of _______________ must be used.

Square waves are generally produced by electronic devices called _____.

When current rises and falls at the same rate as the voltage and reverses the direction of flow when the voltage reverses polarity, the current is said to be _____ with the voltage.

Each complete waveform of 360 ° is called a _____.

When AC voltage is rectified and converted into DC, the resulting waveform is normally not pure, flat DC. The pulses that occur are called _____.

What type of AC waveform features voltage rising at a constant rate with respect to time?

Both AC and DC can be transformed.

What is the peak voltage of a 277 V RMS AC voltage?