Understanding Faraday's Law of Induction

What was the key discovery made by Michael Faraday in 1831?

• The principle of electromagnetism

• The theory of relativity

• The law of induction

• The law of gravity

How does a galvanometer help in understanding induction?

• It detects changes in temperature

• It measures the speed of light

• It calculates gravitational force

• It measures tiny electric currents

What must change for an electric current to be induced in a loop of wire?

• The color of the wire

• The temperature of the wire

• The magnetic flux through the loop

• The length of the wire

Which of the following is a practical application of Faraday's law?

• Solar panels

• Hydroelectric dams

• Nuclear reactors

• Wind turbines

What can increase the voltage induced in a loop of wire according to Faraday's law?

• Using a thicker wire

• Increasing the loop size

• Decreasing the magnetic field strength

• Decreasing the loop size