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BIT 2-N B Power Transformer

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

What type of transformer offers very low losses in the high-frequency application such as in switch mode power supply and RF related application?

a)

Air core transformer

b)

Auto winding transformer

c)

Ferrite Core Transformer

d)

Toroidal Core Transformer

2.

What type of transformer offers very high inductance and Q factors with short windings and less weight?

a)

Air core transformer

b)

Auto winding transformer

c)

Ferrite Core Transformer

d)

Toroidal Core Transformer

3.

What type of transformer has primary winding connected in series to the secondary winding?

a)

Air core transformer

b)

Auto winding transformer

c)

Ferrite Core Transformer

d)

Toroidal Core Transformer

4.

What type of transformer has a primary coil supplied with alternating current which produces an electromagnetic field around it.?

a)

Air core transformer

b)

Auto winding transformer

c)

Ferrite Core Transformer

d)

Toroidal Core Transformer

5.

What transformer acts as a bridge between the power generator and

the primary distribution grid?

a)

Distribution transformer

b)

Measurement transformer

c)

Power transformer

d)

Pulse transformer

6.

What transformer is use to high grid voltage to the customer required

voltage?

a)

Distribution transformer

b)

Measurement transformer

c)

Power transformer

d)

Pulse transformer

7.

What transformer is is used to isolate the main power and convert the current and voltage in a smaller ratio to its secondary output?

a)

Distribution transformer

b)

Measurement transformer

c)

Power transformer

d)

Pulse transformer

8.

What type of transformer increase the low primary voltage to a high secondary voltage?

a)

Audio Transformer

b)

Current Transformer

c)

Step Up Transformer

d)

Step Down Transformer

9.

What type of transformer converts the primary voltage level to a lower voltage across the secondary output?

a)

Audio Transformer

b)

Current Transformer

c)

Step Up Transformer

d)

Step Down Transformer

10.

What type of transformer balances the amplifier circuit and loads, typically a loudspeaker?

a)

Audio Transformer

b)

Current Transformer

c)

Step Up Transformer

d)

Step Down Transformer

11.

What type of transformer is essential equipment installed in an electrical substation for electrical measurement and protection purposes?

a)

Audio Transformer

b)

Current Transformer

c)

Step Up Transformer

d)

Step Down Transformer

12.

What is the meaning of transformer?

a)

Optimus Prime

b)

A device that transfers electrical energy from one circuit to another

c)

Autobots

d)

Megatron

13.

What is the material used for construction of transformer core?

a)

Aluminium

b)

Copper

c)

Iron

d)

Wood

14.

The winding of wire around a core which is connected to a source of energy is called the ....... coil.

a)

primary

b)

secondary

c)

tertiary

15.

The transformer is a device used to .......... the value of a voltage.

a)

steady

b)

resist

c)

change

d)

anchor