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What is the unit of electrical capacitance?

• Volt
• Farad
• Ohm
• Ampere

What is the primary function of a transformer?

• Store electrical energy
• Convert AC to DC
• Change voltage levels
• Measure current

In an RLC circuit, what does the 'L' stand for?

• Load
• Light
• Inductance
• Resistance

Which law states that the total current entering a junction equals the total current leaving?

• Ohm's Law
• Faraday's Law
• Kirchhoff's Current Law
• Coulomb's Law

What is the name of the device used to measure electrical resistance?

• Voltmeter
• Ammeter
• Ohmmeter
• Wattmeter

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

• 90 degrees
• 60 degrees
• 120 degrees
• 180 degrees

Which material is commonly used as a semiconductor?

• Iron
• Copper
• Silicon
• Aluminium

What is the relationship between Apparent Power and True Power?

• C = A*H

• C = Z/R

• C = R/Z

• C = A - H

How is electrical power calculated in a DC circuit?

• P = V/I
• P = I²*R
• P = V*R
• P = V*I

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

• To amplify signals
• To store energy
• To allow current in one direction
• To convert energy