Current Electricity Test

A material in which electrons are able to move easily

• Circuit
• Insulator 
• Resistance 
• Conductor 

What is an electric current?

• a build up of electrons

• the difference in charge between 2 points

• the flow of electrons over a circuit

• the opposition to flow of electrons

Tags

NGSS.HS-PS2-5

Resistance is measured in what unit?

• ohms
• amps
• watts
• volts

Potential difference is another term for

• current
• voltage
• energy
• watts

Unit of charge in SI unit is.....

• Coulomb C

• Resistivity ρ

• Ampere A

• Potential difference V

This is known as ohm's law.....

• V = I + R

• V = I ÷ R

• V = I - R

• V = I × R

Fill in the blank: Like Charges will ___________________ one another.

• Attract

• Repel

Tags

NGSS.MS-PS2-3

The unit of resistivity in SI unit is......

• Ampere

  A

• Volts

  V

• Metre

  m

Tags

NGSS.MS-PS2-5

The instrument used for measuring electric current is

• galvanometer

• ammeter

• voltmeter

• potentiometer

Relation connecting resistance and resistivity is _____________