Electronics and Circuit Design Quiz

What is the function of a resistor in an electronic circuit?

• To store energy

• To limit current flow

• To amplify signals

• To convert AC to DC

Which component is used to store electrical energy in a circuit?

• Transistor

• Capacitor

• Diode

• Resistor

What does Ohm's Law state?

• Voltage is the product of current and resistance

• Power is equal to voltage squared

• Current is independent of resistance

• Resistance increases with temperature

What is the primary role of a diode in a circuit?

• To store energy

• To allow current to flow in one direction only

• To amplify signals

• To act as a variable resistor

Which electronic component is used to amplify or switch electronic signals?

• Resistor

• Capacitor

• Transistor

• Inductor

What is the unit of electrical resistance?

• Volt

• Ampere

• Ohm

• Watt

What is a printed circuit board (PCB) primarily used for?

• To reduce electrical resistance

• To mechanically support and electrically connect components

• To measure voltage in circuits

• To amplify signals

What does an inductor do in an electronic circuit?

• Stores electrical energy in an electric field

• Stores energy in a magnetic field

• Converts AC to DC

• Increases resistance

In circuit design, what does the term "short circuit" refer to?

• A path with very high resistance

• A connection allowing current to bypass other components

• A malfunction caused by excessive voltage

• A perfectly working circuit

What is the purpose of a voltage divider circuit?

• To amplify voltage

• To step up voltage

• To produce a specific fraction of the input voltage

• To store voltage for later use