2nd Quiz For 1st Year

What does LED stand for?

• a. Light Emitting Diode

• b. Long Electric Device

• c. Low Energy Detector

• d. Light Emitting Detector

• Which electronic component is commonly used to store electrical charge?

• • a. Resistor

• • b. Capacitor

• • c. Inductor

• • d. Transistor

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

• a. To store energy

• b. To amplify signals

• c. To limit the flow of electric current

• d. To control the direction of current flow

What is the basic function of a capacitor?

• a. To store and release electrical energy

• b. To amplify signals

• c. To control the flow of current

• d. To convert electrical energy to mechanical energy

• Which electronic component is commonly used for voltage regulation?

• • a. Resistor

• • b. Capacitor

• • c. Inductor

• • d. Zener diode

• What is the function of a diode in an electronic circuit?

• • a. To amplify signals

• • b. To control the flow of current

• • c. To store energy

• • d. To convert AC to DC

Which component is often used as a switch in electronic circuits?

• a. Resistor

• b. Capacitor

• c. Transistor

• d. Inductor

Which type of sensor is commonly used to detect light in IoT applications?

• a. Thermistor

• b. Photocell

• c. Accelerometer

• d. Proximity sensor

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

• a. Resistor

• b. Capacitor

• c. Transistor

• d. Inductor

What is the purpose of a relay in an electronic circuit?

• a. To control the flow of current

• b. To amplify signals

• c. To store energy

• d. To switch high-power devices with a low-power signal