AC and DC Concepts

Changes direction periodically

• Direct Current

• Alternating Current

Flows in only one diretion

• Direct Current

• Alternating Current

The frequency ranges from 50 to 60 Hertz

• Direct Current

• Alternating Current

It can carry and safe to transfer longer distance even between two cities, and maintain the electric power.

• Direct Current

• Alternating Current

A typical battery supplies________

• Direct Current

• Alternating Current

Generators produce

• Direct Current

• Alternating Current

The following are applications of Alternating current, except:

• refrigerator

• battery

• outlet

• power grid

The following are applications of Direct current, except:

• refrigerator

• battery

• flashlight

• cellphone

Which type of transformer decreases the amount of voltage?

• step fix transformer

• step-up transformer

• step decrease transformer

• step-down transformer

The electricity that we use in our homes has undergone different processes. These involve:

• generating, transporting, emitting

• generating, teleporting, implementing

• generating, transmitting, distributing

• generating, transpiring, electrocuting