Electrical Engineering Quiz

What is the SI unit of capacitance?

• Henry

• Farad

• Ohm

• Coulomb

Who invented the electric bulb?

• Nikola Tesla

• Michael Faraday

• Thomas Edison

• James Watt

What is the frequency of AC supply in India?

• 40 Hz

• 50 Hz

• 60 Hz

• 100 Hz

Which device controls the flow of current by increasing or decreasing resistance?

• Resistor

• Potentiometer

• Inductor

• Transformer

What device converts DC to AC in power systems?

• Rectifier

• Inverter

• Transformer

• Converter

What unit is used to measure electrical energy consumption (as seen on electricity bills)?

• Watt

• Kilowatt

• Kilowatt-hour

• Joule

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

• Aluminum

• Silver

• Copper

• Iron

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

• Aluminum

• Silver

• Copper

• Iron

Which part of an electric motor produces a rotating magnetic field?

• Rotor

• Stator

• Commutator

• Brushes

Which power plant has the highest efficiency?

• Thermal

• Hydroelectric

• Nuclear

• Wind