Quiz-Basic Electrical Engineering Basic Electrical Engineering Quiz1. What is the unit of electric current? Ohm Watt Ampere Volt2. What does the resistor do in an electric circuit? Increases voltage Stores energy Resists the flow of current Allows the flow of current3. What is the formula for calculating electrical power? V = IR P = VI P = I2R Both b and c4. What is the purpose of a transformer? Convert DC to AC Increase or decrease voltage levels Convert AC to DC Control frequency of current5. What is the primary function of a diode? Rectification Amplification Frequency control Current limitation6. What does an inductor store? Electrical energy Mechanical energy Magnetic energy Thermal energy7. What is the formula for calculating resistance in a series circuit? R_total = R1 * R2 * R3 R_total = R1 + R2 + R3 R_total = R1 / R2 / R3 None of the above8. What is the function of a capacitor? Store electrical charge Increase current flow Generate power Control voltage9. What is the main function of a fuse? Regulate current Increase power Protect the circuit Convert voltage10. What is the unit of electric power? Joule Watt Volt Ohm