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Transformer

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

What is the usage of a transformer?

a)

increase voltage

b)

decrease voltage

c)

increase or decrease voltage

2.

Transformer that decreases the voltage is called:

a)

Step up

b)

Step down

c)

Transmission cable

d)

A.C. Generator

3.

Name the part label A

a)

Primary coil

b)

Secondary coil

c)

Soft iron core

d)

AC output

4.

Transformer with more number of turns on secondary coil is called:

a)

Primary coil

b)

Step up transformer

c)

Step down transformer

d)

AC input

5.

Name the part label B

a)

Step down

b)

Primary coil

c)

Step up

d)

Secondary coil

6.

Alternating current (A.C.) is input into the___________________ of the transformer.

a)

Soft iron

b)

Secondary coil

c)

Primary coil

7.

A step down transformer has _________ turns in the secondary coil.

a)

more

b)

less

8.

Name the part label C

a)

Primary coil

b)

Secondary coil

c)

soft iron core

d)

magnet

9.

Which of the following correctly describe this transformer?

a)

The output voltage is higher than the input voltage

b)

The output voltage is lower than the input voltage

c)

The input voltage is equal to the output voltage

10.

Name the transformer between power plant and transmission line

a)

Step up

b)

Step down