Podcast
Questions and Answers
What is a complete variation of a sinusoidal ac waveform called?
What is a complete variation of a sinusoidal ac waveform called?
- Frequency
- Waveform (correct)
- Cycle (correct)
- Amplitude
During which half-cycle does the current in the circuit flow in a clockwise direction?
During which half-cycle does the current in the circuit flow in a clockwise direction?
- During the first half-cycle when the source voltage is positive (correct)
- When the source voltage is zero
- When the source voltage is negative
- During the entire cycle
Which symbol is used to represent sinusoidal ac voltage source in circuit diagrams?
Which symbol is used to represent sinusoidal ac voltage source in circuit diagrams?
- E
- i
- V
- e (correct)
What happens to the polarity of a sinusoidal ac voltage source during a complete cycle?
What happens to the polarity of a sinusoidal ac voltage source during a complete cycle?
What characterizes a periodic waveform such as a sinusoidal ac waveform?
What characterizes a periodic waveform such as a sinusoidal ac waveform?
Flashcards
AC Voltage Waveform
AC Voltage Waveform
A voltage that changes direction and magnitude over time in a repeating pattern, like a sine wave.
AC Voltage Source Symbol
AC Voltage Source Symbol
A graphic representation of an alternating current voltage source. It typically includes a lowercase e (lower case e) to indicate time-varying voltage.
AC Current
AC Current
Electric current that reverses direction in a regular pattern.
Sinusoidal Waveform
Sinusoidal Waveform
Signup and view all the flashcards
AC Cycle
AC Cycle
Signup and view all the flashcards
