ELECTRICITY

The intensity of electric current is measured in:

• Coulomb.

• Volts.

• Amperes.

• Joules.

Which of the following material is insulator?

• Fabric

• Wood

• All of them

• Plastic

Which one is Ohm's law?

• 
• 
• 

The Ohm's law is a basic law of the:

• Atoms

• Hydraulic circuits

• Processors

• Electric circuits

What would happen if an electrical circuit had no resistance?

• A short circuit occurs (the battery burns)

• It would not be a circuit

• It would be a circuit with low voltage

• Nothing would happen

Calculate the resistance (R) of a bulb connected to a 12V battery. The intensity of the circuit is 2A.

• 6 ohms

• 24 ohms

• 14 ohms

• 72 ohms

The main part of an atom is called ____. We find protons and neutrons inside.

To measure the intensity of current, what is used?

• Voltmeter.

• Ammeter.

• Ohmmeter.

• Chronometer.

Copper, gold, silver... These materials are...

• Insulators

• Conductors

This symbol represents a...

• Bulb

• Motor

• Buzzer

• Resistor