Electricity 3ºESO

What is an electric current?

• Is the set of elements connected to allow electrons to move.

• Is the flow or movement of electrons in a circuit

• Is the difference between the voltage and the resistance.

What component provide the energy for the electrons to move?

• generator

• resistor

• motor

RESISTORS transfor the electric energy into ...

• motion

• heat

• voltage

VOLTAGE is related to ...

• the energy that the electrons need to move

• the number of electrons that move in a circuit

• the number of electrons that pass through a resistor

INTENSITY OF THE CURRENT is related to ...

• the energy that the electrons need to move

• the number of electrons per second that move in a circuit

• the number of electrons that pass through a point in a circut

According to the Ohm's Law, RESISTANCE is equal to ...

• Voltage divided by Intensity

• Voltage multiplied by Intensity

• Intensity divided by Voltage

VOLTAGE is measured in ...

• volts

• Amps

• Ohms

• watts

INTENSITY is measured in ...

• volts

• Amps

• Ohms

• watts

RESISTANCE is measured in ...

• volts

• Amps

• Ohms

• watts

POWER is measured in ...

• volts

• Amps

• Ohms

• watts