Basic Electricity Quiz

Which of the following is a unit of current?

• Volt

• Ampere

• Ohm

• Watt

What device is used to measure current in a circuit?

• Voltmeter

• Ammeter

• Ohmmeter

• Battery

In a series circuit, how does current flow?

• The same through all components

• Different in each component

• Only through the first component

• It doesn't flow at all

What happens to the total resistance when you add more resistors in parallel?

• It increases

• It decreases

• It stays the same

• It doubles

Which symbol represents a cell in a circuit diagram?

• ⏺

• ⏽

• ⬇

• ⏻

What is voltage a measure of?

• The speed of electrons

• The energy transferred per unit charge

• The resistance in a wire

• The current per second

In a parallel circuit, how is voltage across each branch?

• The same

• Different in each branch

• Zero

• Half the supply voltage

What is the function of a resistor in a circuit?

• To increase voltage

• To reduce current

• To generate electricity

• To store energy

What type of electricity is caused by friction between objects?

• Static electricity

• Current electricity

• Solar electricity

• Thermal electricity

Which material is a good conductor of electricity?

• Rubber

• Plastic

• Copper

• Wood