_1. Both AC and Dc described the flow of current in a circuit. 2. Electric charges in both AC and DC changes direction periodically. _3. DC can be produced by a device called alternator. 4. AC can be represented by waves. _5. Triangle waves are often used in digital and switching electronics to test their operation. _6. The most common waveform in AC is square wave. _7. The frequency of direct current ranges from 50 Hz to 60 Hz. _8. Electrons in AC keep changing its direction. _9. Electrons in DC is stationary. _10. AC has no frequency. _11. Both AC and DC uses rotating magnet along the wire. _12. DC provides constant voltage. _13. Thomas Edison introduces AC in America. _14. AC can be readily converted to high voltages.

_1. Both AC and Dc described the flow of current in a circuit. 2. Electric charges in both AC and DC changes direction periodically. _3. DC can be produced by a device called alternator. 4. AC can be represented by waves. _5. Triangle waves are often used in digital and switching electronics to test their operation. _6. The most common waveform in AC is square wave. _7. The frequency of direct current ranges from 50 Hz to 60 Hz. _8. Electrons in AC keep changing its direction. _9. Electrons in DC is stationary. _10. AC has no frequency. _11. Both AC and DC uses rotating magnet along the wire. _12. DC provides constant voltage. _13. Thomas Edison introduces AC in America. _14. AC can be readily converted to high voltages.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section: Chapter Questions

Problem 74A

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