What is Ohm's Law?

• 𝑉 = 𝐼𝑅

• 𝑉 = 𝐼^2𝑅

• 𝑉 = 𝑅/𝐼

• 𝑉 = 𝐼𝑅^2

Which of the following is a unit of electrical resistance?

• Ampere

• Volt

• Ohm

• Coulomb

What does AC stand for in electrical terms?

• Alternating Current

• Ampere Current

• Active Current

• Average Current

Which material is commonly used as a conductor in electrical wiring?

• Plastic

• Wood

• Copper

• Rubber

What is the main purpose of a transformer in an electrical circuit?

• To increase or decrease voltage

• To convert AC to DC

• To store electrical energy

• To resist electrical current

What type of device is used to store electrical energy in an electric field?

• Resistor

• Capacitor

• Inductor

• Transformer

In a three-phase power system, what is the typical phase angle difference between each phase?

• 30 degrees

• 45 degrees

• 60 degrees

• 120 degrees

Which theorem states that any linear electrical network with voltage and current sources can be replaced at terminals A-B by an equivalent voltage source V in series with a resistance R?

• Thevenin’s Theorem

• Norton’s Theorem

• Superposition Theorem

• Maximum Power Transfer Theorem

What is the purpose of a diode in an electrical circuit?

• To allow current to flow in one direction only

• To increase voltage

• To decrease current

• To convert DC to AC

In a RLC circuit, what does 'RLC' stand for?

• Resistor, Load, Capacitor

• Resistor, Inductor, Capacitor

• Regulator, Inductor, Capacitor

• Resistor, Load, Coil