Electrical Components Quiz

What is the primary function of a resistor in an electrical circuit?

• Store electrical energy

• Regulate current flow

• Convert AC to DC

• Amplify signals

A capacitor primarily:

• Resists current flow

• Converts electrical energy into mechanical energy

• Stores and releases electrical energy

• Amplifies signals

Which of the following is a passive electronic component?

• Transistor

• Diode

• Capacitor

• Integrated Circuit

The main purpose of a heat sink in an electronic circuit is to:

• Store electrical energy

• Increase resistance

• Dissipate heat

• Provide insulation

A Printed Circuit Board (PCB) primarily provides:

• Electrical insulation

• A platform for mounting and connecting components

• Mechanical movement

• A power supply source

Which component is used to regulate DC voltage in power supplies?

• Transformer

• Inverter

• Voltage regulator

• Circuit breaker

A fuse protects an electrical circuit by:

• Storing charge

• Converting AC to DC

• Breaking the circuit in case of overcurrent

• Regulating voltage

A relay is primarily used for:

• Generating power

• Amplifying signals

• Switching circuits using low-power signals

• Storing electrical energy

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

• Convert DC to AC

• Convert AC to DC

• Increase voltage

• Reduce current

The function of an inverter is to:

• Convert DC to AC

• Convert AC to DC

• Store electrical energy

• Act as a fuse