TECHNICAL QUIZ

Which of the following elements of electrical engineering cannot be analyzed using Ohm’s law?

• Capacitors

• Inductors

• Transistors

• Resistance

Which of the following according to fundamentals of electrical energy is incorrect about alternating current?

• Frequency is zero

• Magnitude changes with time

• can be transported to larger distances with less loss in power

• Flows in both directions

Which of the following according to KCL must be zero?

• Algebraic sum of currents in closed-loop

• Algebraic sum of power in closed-loop

• Algebraic sum of currents entering and leaving a junction

• Algebraic sum of voltages across the input and output

Who defined electric current and devised a method to measure current?

• Michael Faraday

• Andre - Marie Ampere

• Nikola Tesla

• Alessandro Antonio Volta

How many directions can the electric field at a point have?

• Zero

• One

• Two

• Many

Which of the following type of circuits in electrical engineering cannot be analyzed using Ohm’s law?

• Unilateral

• Bilateral

• Linear

• Conductors

Which of the following is not an expression power?

• P=VI

• P=I2R

• P=V2/R

• P=I/R

Kilowatt-hour(kWh) is a unit of?

• Current

• Power

• Energy

• Resistance

A wiper is the sliding contact in a

• switch

• photo conductive cell

• thermistor

• potentiometer

Materials with lots of free electrons are called

• conductors

• insulators

• semi conductors

• filters