Electronics Quiz

What is the unit of electrical resistance?

• Volt

• Ohm

• Ampere

• Coulomb

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

• Store electrical energy

• Allow current flow in one direction only

• Amplify electrical signals

• Convert AC to DC

Which of the following is a primary component of a capacitor?

• Semiconductor material

• Two conductive plates separated by an insulator

• Magnetic coil

• A moving armature

What is the typical voltage of a standard AA battery?

• 1.2V

• 1.5V

• 3.7V

• 9V

Which law relates voltage, current, and resistance?

• Ohm's Law

• Kirchhoff's Voltage Law

• Faraday's Law

• Coulomb's Law

What type of signal does an analog circuit process?

• Binary signals

• Continuous signals

• Digital pulses

• Discrete signals

Which device is used to measure electrical current?

• Voltmeter

• Ohmmeter

• Ammeter

• Oscilloscope

What is the function of a transistor in a circuit?

• Store electrical energy

• Act as a switch or amplifier

• Measure voltage

• Convert AC to DC

What is the purpose of a heat sink in electronics?

• Insulate the circuit

• Store charge

• Dissipate heat

• Amplify signals

Which of the following is a digital logic gate?

• Resistor

• Capacitor

• NAND

• Diode