Electricity

the measuring unit of the electric charges

• coulomb

• ampere

• volt)

is used to measure the electromotive force of a battery

• Ammeter

• Voltmeter

• Rheostat)

The sliding Rheostat is used to change .......... and ............ in the electric circuit

• the resistance and potential difference

• current intensity and resistance

• The current intensity and potential difference

The unit of measuring the electric resistance is ...........

The flow of electric charges in a conductor is .............

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The increase in the concentration of the reactants increases the number of collisions between molecules so that the speed of reaction........

• increases

• decreases

• not change

The Ammeter is used to measure ....................... in the electric circuit

• The potential difference

• the current intensity

• the resistance

The obstruction the electric current during its flow in the conductor is ...............

• Electric current

• Resistance

• Ampere

........... It is a chemical process in which the atom loses one electron or more.

Tags

NGSS.HS-PS1-2

......... It is a chemical process in which the atom gains one electron or more.

Tags

NGSS.HS-PS1-2