electrcity ch 15-17 T/F

A sine wave repesents an alternating current

• true

• false

Ac measurements for home applications are provided on meters as peak values.

• true

• false

Alternatng current is the most common form of electrical current in USA today

• true

• false

An oscilloscope displays the peak-to-peak value of ac waves.

• true

• false

Each voltage on a three-phase generator has a phase displacement of 90 degree

• true

• false

Electrical power generation in the United States is based on the 30 Hz frequency

• true

• false

Positive and negative voltage produced in ac generator move in the same direction

• true

• false

The average value of the voltage of one complete cycle in an alternating current generator is zero.

• true

• false

The brushes in ac generator are not in constant contact with the slip ring

• true

• false

A bleeder resistor is used to charge a capacitor.

• true

• false