Electronics - Alternating Current vs Direct Current
Exercise : Alternating Current vs Direct Current - True or False
- Alternating Current vs Direct Current - General Questions
- Alternating Current vs Direct Current - True or False
- Alternating Current vs Direct Current - Filling the Blanks
1.
DC current flows in one direction, while ac current rises from zero to a maximum, then falls to zero in one direction, then rises to a maximum, then falls to zero in the opposite direction.
2.
A square and a rectangular waveform appear to have a step voltage transition.
3.
The duty cycle of a square wave with a pulse width of 3
s and a period of 9
s is 40%.


4.
The rms value of a sine wave is .707 x peak-to-peak value/2.
5.
DC current transfers better over longer distances than ac current.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers