Interacciones de Carga

What phenomenon is observed when we feel a shock when touching someone?

• Static electricity

• Electromagnetism

• Electric current

Who discovered that amber attracts dust and leaves?

• Aristotle

• Thales of Miletus

• Plato

What are valence electrons?

• Electrons in the nucleus

• Electrons in the outer shell

• Electrons in the center of the atom

What happens when two equal charges approach each other?

• They attract

• They repel

• They do not interact

What instrument is used to detect electric charge?

• Electroscope

• Multimeter

• Ammeter

What law did Charles Coulomb formulate?

• Law of gravitation

• Coulomb's law

• Ohm's law

What is Coulomb's law?

• The electric force between two charged objects is directly proportional to the product of the amount of charge on the objects and inversely proportional to the square of the distance between the two objects.

• The electric force between two charged objects is inversely proportional to the product of the amount of charge on the objects and directly proportional to the square of the distance between the two objects.

• The electric force between two charged objects is equal to the sum of the charges of the objects.

• The electric force between two charged objects is equal to the difference of the charges of the objects.

What does the direction of an electric field indicate?

• The direction of the force on a positive test charge.

• The direction of the force on a negative test charge.

• The direction of the force on any charge.

• The direction of the force on a neutral charge.

How is an electric field graphically represented?

• With field lines that emerge from positive charges and enter negative charges.

• With field lines that enter positive charges and emerge from negative charges.

• With points that represent the intensity of the field.

• With arrows that indicate the direction of the force.

What is Gauss's law and how is it used to calculate the electric field?