Science 10

It refers to force that push and pull objects by generating the so-called magnetic field.

• magnetism

• electricity

• generators

• motors

The number of magnetic field lines per area is called ___________.

• electric flux

• magnetic flux

• magnetic pole

• electric pole

Like poles of two magnets _________ each other.

• attract

• move toward

• pull

• repel

He discovered the connection between electricity and magnetism.

• Nikola Tesla

• Michael Faraday

• Hans Christian Oersted

• Heinrich Emil Lenz

It is a type of magnet in which the magnetic field is produced by an electric current.

• ferromagnet

• electromagnet

• permanent magnet

• artificial magnet

It changes electrical energy into mechanical energy.

• motor

• generator

• electromagnet

• galvanometer

Which of the following is part of DC motors but cannot be found in AC motors.

• armature

• permanent magnets

• commutator

• shaft

Generators are also called __________________.

• commutators

• alternators

• validators

• transformers

This law states that whenever there is a change in magnetic flux in a circuit, an induced current is produced.

• Lenz's Law

• Faraday's Law

• Oersted's Law

• Newton's Law

Motor ________ electricity.

• generates

• produces

• uses

• measures