Quiz on Resistors and Their Characteristics

What is the primary function of a resistor?

• To amplify signals

• To limit current flow

• To store electrical energy

• To convert AC to DC

Which type of resistor is made by winding resistive wire around a ceramic core?

• Wire-wound resistor

• Variable resistor

• Metal film resistor

• Carbon resistor

What is indicated by the size of a resistor?

• Power rating

• Voltage rating

• Temperature coefficient

• Resistance value

Which of the following is a type of fixed resistor?

• Potentiometer

• Wire-wound resistor

• Rheostat

• Thermistor

What happens if a resistor exceeds its power rating?

• It will be damaged

• It will change color

• It becomes more efficient

• It will increase in resistance

What is a characteristic of variable resistors?

• They have fixed resistance values

• They can adjust resistance

• They cannot dissipate heat

• They are only used in AC circuits

Which type of resistor is known for its stability and precision?

• Variable resistor

• Wire-wound resistor

• Metal film resistor

• Carbon composition resistor

What is the purpose of airflow around a resistor?

• To change its color

• To enhance conductivity

• To cool the resistor

• To increase resistance

What is a common application of variable resistors?

• Current limiting

• Energy storage

• Voltage regulation

• Signal amplification

Which of the following is NOT a type of resistor mentioned?

• Wire-wound resistor

• Carbon film resistor

• Metal film resistor

• Variable resistor