Magnetism Pt.2

A transformer with more turns on the primary coil than on the secondary coil does which of the following?

• Steps up the voltage

• Steps down the voltage

• Works only in DC voltage

• none of these

With the image, what is the voltage on the secondary coil?

• 120V

• 6V

• 45V

• need more information

As voltage gets passed down to your house what type of transformers exist between your house and the power station.

• Step Up Transformers

• Step Down Transformers

• not sure

The following is a step up transformer. With the voltages and turns shown is the image correct?

• Yes

• No

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the power used by the following circuit?

• 3 Watts

• 12 Watts

• 48 Watts

• 36 Watts

This device requires work to be done on it to be able to produce electricity.

• Electric Generator

• Electric Motor

• none of these

Tags

NGSS.MS-ETS1-1

The electric current produced in an electric generator is considered to be

• AC only

• DC only

• either AC or DC

• neither AC or DC

What is the main principle used in a wireless charger?

• Averbakh Effect  

• Viscosity  

• Electromagnetic Induction

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In magnets opposites repel and likes attract.

• True

• False

Tags

NGSS.HS-PS3-5

The wire loop shown below has a clockwise current. Using the right-hand-rule, indicate the direction of the magnetic field at point P.

• out of the page

• into the page

Tags

NGSS.HS-PS2-5