Electrical Principles Quiz

What is the unit of electrical resistance?

• Volt

• Ampere

• Ohm

• Watt

Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?

• Ohm's Law

• Kirchhoff's Law

• Faraday's Law

• Coulomb's Law

What is the formula for electrical power in terms of voltage and current?

• P = V/I

• P = VI

• P = V^2/I

• P = I^2R

Which component is used to store electrical energy in an electric field?

• Resistor

• Inductor

• Capacitor

• Transformer

What is the primary function of a transformer?

• To convert AC to DC

• To increase or decrease voltage

• To store electrical energy

• To measure electrical current

What is the unit of inductance?

• Henry

• Farad

• Coulomb

• Tesla

Which of the following materials is a good conductor of electricity?

• Rubber

• Glass

• Copper

• Wood

What is the relationship between voltage (V), current (I), and resistance (R) in Ohm's Law?

• V = IR

• V = I/R

• V = R/I

• V = I^2R

What does AC stand for in electrical terms?

• Alternating Current

• Active Current

• Amplified Current

• Analog Current

Which device is used to measure electrical current?

• Voltmeter

• Ammeter

• Ohmmeter

• Wattmeter