AC Fundamentals

The law of charges states (in part) that like _______ _____.

The Law of Charges also states that positive charges attract.

• True

• False

The strength of the voltage to be produced depends on these factor except.

• The number of turns in the coil of wire

• The number of turns in the coil of the core

• The strength of the magnetic field

• The speed at which the magnetic lines of flux pass through the coil

If the voltage causes electrons to flow toward the generating source, the voltage is negative. This is known as ________.

A sine wave is a graphical representation of what happing to voltage in an AC circuit at a point in time

• True

• False

How many times does the sine wave hit zero in 1 cycle?

• 2

• 15

• 3

• 9

One rotation is referred to as a _____

The number of times a generator rotates in one second is known as the _________.

Frequency is measured in ?

• Ohms

• Coloumbs

• Hertz

• Joules

The frequency of power in the US and Canada is 60 Hz.

• True

• False