Energy Transformations
Circuits
Electromagnetism
Ohm's Law & Other Math
Random Electricity Knowledge
100

A ceiling fan would convert electrical energy into this type of energy.

Mechanical Energy

100

Electrons flowing through a circuit create this.

Current

100

Wrapping more coils around an electromagnet will do this to its strength.

Strengthen it

100

Current is measured in these units.

Amps

100

Which energy source is renewable: solar or nuclear?

Solar

200

This device converts electrical energy into mechanical energy.

A motor

200

In this type of circuit, one burnt-out bulb will not turn off the others.

Parallel Circuit

200

Increasing this in a wire can strengthen an electromagnet.

Current/voltage

200

Power is measured in these units.

Watts

200

This energy source creates hazardous waste requiring long term storage.

Nuclear energy.

300

This device converts mechanical energy into electrical energy.

A generator

300

A circuit must be in this state for electricity to flow.

Closed

300

Opposite electric charges do this.

Attract

300

If our input was 500 Joules, and our output was 300 Joules, what is our efficiency?

60%

300

Static electricity is caused by an imbalance of these particles.

Electrons

400

Most wasted energy in a gasoline powered vehicle becomes this form of energy.

Thermal energy

400

This device measures voltage.

Voltmeter

400

Similar charges do this

Repel

400

Find the current if 12 V encounters 0.5 Ohms of resistance.

24 A

400

This part of a battery allows charges to move between the electrodes.

Electrolyte

500

A rechargeable battery would convert electrical energy into what type of energy?

Chemical energy

500

This circuit arrangement would cause bulbs to get dimmer as the electrons travelled along the circuit.

Series circuit

500

This would happen to an electromagnet when it stopped receiving an electric current.

It would lose its magnetism.

500

A 600W blender runs for 7 hours, calculate the energy used.

4200 Wh

500

A device operates at 120V and draws 2.2A of current. Calculate the power rating.

264W