Electrical Transformers

Which type of electric current is required for a transformer to function?

• AC Alternating current

• DC Direct current

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What type of transformer is a location B?

• step up

• step down

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

What type of transformer is a location D?

• step up

• step down

Tags

NGSS.HS-PS3-3

A __________ is an electrical device that converts AC electricity from one voltage level to another

• transformer

• primary coil

• secondary coil

• center tap

Tags

NGSS.HS-PS3-3

For increasing the voltage ___________ is used.

• Step up transformer

• Step down transformer

• Current transformer

The voltage in the ​ (a)   coil of a transformer induces a current in the ​​ (b)   coil.

• primary

• secondary

Tags

NGSS.HS-PS2-5

The transformer shown is what type?

• step-up

• step-down

• current transformer

• isolation transformer

Tags

NGSS.HS-PS2-5

• An​ (a)   is a device that increases/decreases voltage using two separate ​ (b)   instead of insulated wire that is wrapped around an ​ (c)  

• coils

• iron core

• electrical transformer

Tags

NGSS.HS-PS3-5

A transformer has primary voltage 200V and secondary voltage 100V , the transformer is called _______ .

• Step up

• Step Down

• None

Tags

NGSS.HS-PS3-3

A step-up transformer is a transformer that ​ (a)   voltage.

• increases

• decreases