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AC and DC Concepts

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

Changes direction periodically

a)

Direct Current

b)

Alternating Current

2.

Flows in only one diretion

a)

Direct Current

b)

Alternating Current

3.

The frequency ranges from 50 to 60 Hertz

a)

Direct Current

b)

Alternating Current

4.

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

a)

Direct Current

b)

Alternating Current

5.

A typical battery supplies________

a)

Direct Current

b)

Alternating Current

6.

Generators produce

a)

Direct Current

b)

Alternating Current

7.

The following are applications of Alternating current, except:

a)

refrigerator

b)

battery

c)

outlet

d)

power grid

8.

The following are applications of Direct current, except:

a)

refrigerator

b)

battery

c)

flashlight

d)

cellphone

9.

Which type of transformer decreases the amount of voltage?

a)

step fix transformer

b)

step-up transformer

c)

step decrease transformer

d)

step-down transformer

10.

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

a)

generating, transporting, emitting

b)

generating, teleporting, implementing

c)

generating, transmitting, distributing

d)

generating, transpiring, electrocuting