Quiz on AC Circuits and Engineering Principles

What does AC stand for in electrical circuits?

• Alternating Current

• Active Current

• Amplified Current

• Analog Current

At what degree does the AC waveform reach its first peak?

• 0 degrees

• 90 degrees

• 180 degrees

• 270 degrees

What is the degree measurement when the AC waveform is at its maximum negative voltage?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

In a purely resistive circuit, when does the current reach its maximum?

• When the voltage reaches a maximum

• When the voltage reaches a minimum

• When the resistance is zero

• When the frequency is doubled

What is the phase relationship between current and voltage in a purely resistive circuit?

• Current leads voltage by 90 degrees

• Current lags voltage by 90 degrees

• Current is in phase with voltage

• Current is out of phase with voltage

What is the frequency relationship between voltage and current in a purely inductive circuit?

• Different frequencies

• Same frequency

• Voltage has higher frequency

• Current has higher frequency

What is the maximum phase difference between voltage and current in a purely inductive circuit?

• 0 degrees

• 45 degrees

• 90 degrees

• 180 degrees

What is the typical phase difference in a capacitive circuit?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

What is the term used for the voltage across each component in an RLC series circuit?

• Phasor voltage

• Scalar voltage

• Direct voltage

• Alternating voltage

What does the symbol ω represent in the context of RLC circuits?

• Voltage

• Current

• Angular frequency

• Resistance