Understanding Electrical Energy

What happens to an object when work is done on it in a gravitational field?

• It gains gravitational potential energy.

• It remains stationary.

• It loses energy.

• It moves away from the Earth.

When an object falls, what type of energy does its gravitational potential energy convert into?

• Kinetic energy

• Sound energy

• Thermal energy

• Electrical energy

According to Michael Faraday, what surrounds a positive charge?

• A magnetic field

• An electric field

• A gravitational field

• A thermal field

What happens to a small positive charge in the electric field of a large negative charge?

• It is attracted towards the negative charge.

• It gains mass.

• It is repelled away.

• It remains unaffected.

What is the term for the stored potential and kinetic energy in a charged particle?

• Thermal energy

• Magnetic energy

• Electrical energy

• Nuclear energy

How can electrical energy be converted into light energy?

• Using a motor

• Using a bulb

• Using a loudspeaker

• Using a heater

What is the phenomenon called when charges flow from one point to another?

• Nuclear fusion

• Thermal conduction

• Current or electricity

• Magnetism

Which device converts the kinetic energy of charges into sound energy?

• A motor

• A heater

• A loudspeaker

• A bulb

What type of energy conversion occurs in an electric heater?

• Kinetic to light energy

• Kinetic to sound energy

• Kinetic to nuclear energy

• Kinetic to heat energy

What is the primary form of energy stored in a charged particle?

• Thermal energy

• Potential and kinetic energy

• Nuclear energy

• Magnetic energy