Concept 2 Current

The net movement of electric charge in a single direction

• electric charge

• electric current

• joules

• amps

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Electric current is measured in

• amps

• joules

• seconds

• watts

The push that causes charge to move

• the electron difference

• the amp difference

• the voltage difference

• the force difference

The larger the voltage difference the ______ the current.

• greater

• smaller

• current and voltage difference are equal

A closed path an electric current flows through

• voltage

• amperes

• circuit

• path lines

If the circuit switch is open...

• the current will flow

• the current will not flow

• the current will be doubled

• the current will be halved

Batteries are devices that convert

• chemical energy to mechanical energy

• chemical energy to electrical energy

• electrical energy to chemical energy

• mechanical energy to chemical energy

Tags

NGSS.HS-PS3-3

Electrons flow from the ___ end to the ___ end of a battery.

• negative to negative

• positive to positive

• negative to positive

• positive to negative

The tendency of a material to oppose the flow of electrons through it is known as

• resistance

• power

• output

• voltage

Resistance is measured in

• ohms

• volts

• amps

• joules