Electrical Terms Quiz

Which type of current is typically used in electronic devices?

• DC (Direct Current)

• AC (Alternating Current)

• Static Current

• Pulsating Current

What is the direction of the magnetic field in the diagram?

• From north to south

• From south to north

• From east to west

• From west to east

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What happens to the magnetic field as the current grows and ebbs?

• It remains constant

• It expands and collapses

• It disappears

• It changes color

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What causes a voltage to be induced in the second coil?

• A constant current in the first coil

• A changing current in the first coil

• A static magnetic field

• A direct current in the second coil

Tags

NGSS.HS-PS2-5

What is the relationship between the first and second coils in the diagram?

• They are electrically connected

• They are magnetically linked

• They are isolated

• They are in parallel

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which material is NOT listed as a common core material for transformers?

• Ferrite

• Iron

• Steel

• Air

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS1-1

Which core material is typically used for low-frequency transformers?

• Air core

• Ferrite core

• Iron core

• Plastic core

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In a core type transformer, where is the primary winding located?

• On the same leg as the secondary winding

• On a separate leg from the secondary winding

• Around the entire core

• Inside the secondary winding

Which winding is labeled as the primary winding in the diagram?

• The winding connected to the load

• The winding connected to the power source

• The winding with more turns

• The winding with fewer turns

How is the turns ratio "a" of a transformer defined?

• The ratio of voltage in the primary to the secondary

• The ratio of current in the primary to the secondary

• The ratio of turns in the primary to the turns in the secondary

• The ratio of power in the primary to the secondary