Open Day Quiz

What is the symbol for a resistor in a circuit diagram?

• 
• 
• 
• 

Which component stores electrical charge and releases it when needed?

• Inductor

• Resistor

• Transistor

• Capacitor

What is the basic unit of measurement for electrical current?

• Watts

• Ampere

• Farads

• Ohms

A battery produces AC (alternating current) electricity.

• True

• False

What does the acronym LED stand for?

• Liquid Emitter Diode

• Light Emitting Diode

• Light Energy Diode

• Long Energy Diode

Which component acts as a one-way valve for electrical current?

• Transistor

• LED

• Diode

• Resistors

What is the function of a switch in an electrical circuit?

• To store electrical energy

• To regulate the voltage

• To complete or break the circuit

• To convert AC current to DC current

What tool is used to measure electrical voltage?

• Ammeter

• Wattmeter

• Voltmeter

• Ohmmeter

Complete the Ohm's Law equation: V = _ × R.

• P - Power

• I - Current

• Q - Charge

• Z - Impedance

What happens when you connect more batteries in series in a circuit?

• Increased Current

• Decreased Current

• Increased Voltage

• Decreased Voltage