Electricity Quiz

What does the 'W' in the power triangle represent?

• Voltage

• Resistance

• Current

• Power

According to Ohm's law triangle, what does 'I' stand for?

• Voltage

• Resistance

• Current

• Power

How is domestic AC electricity produced?

• Mechanically

• Chemically

• Electromagnetically

• Thermally

How is DC electricity typically produced?

• Mechanically

• Chemically

• Electromagnetically

• Thermally

True or False: The anode in a battery eats away the cathode.

• True

• False

What does the 'R' in the Ohm's law triangle represent?

• Voltage

• Resistance

• Current

• Power

What is the primary source of energy for generating thermally produced electricity?

• Wind

• Solar

• Coal

• Hydro

True or False: In a direct current (DC) circuit, electrons flow in a single direction.

• True

• False

What is the role of a transformer in an electrical circuit?

• To measure electrical current

• To convert voltage levels

• To store electrical energy

• To interrupt electrical flow

Which type of current is used in household wiring?

• Direct Current (DC)

• Alternating Current (AC)

• Static Electricity

• Pulsating Current