simple circuits

what relationship exist between current and voltage?

• voltage and current have proportional relationship

• more information needed

• voltage and current have directly inverses relationship

• no relationship exists

give an example of a source of electric energy.

• battery

• wire

• copper

• all of the above

what does the switch do in an electric current

• controller

• provides energy

• electric device

• none of the above

which conditions would prevent an electric current in a circuit and stop any energy transfer from happening?

• disconnecting a wire

• closing as switch

• adding second battery

• opening a switch

what are the components of a simple circuit?

• battery,wire,switch,bulb

• bulb,battery,switch

• none of the above

• the light bulb is not a component

an electric current occurs in a circuit because negatively charged particles are repelled by positively charged particles in a battery

• false

• true

Tags

NGSS.MS-PS2-3

adding which object to a circuit will create a potential energy difference in a circuit?

• battery

• wire

• light bulb

• switch

the potential energy difference is made in

• kelving

• ampere

• volts

• none of the above

Tags

NGSS.MS-PS3-2