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Questions and Answers
What is the defining characteristic of alternating current?
What is the defining characteristic of alternating current?
- Periodic reversal of direction (correct)
- Unidirectional flow
- Low resistance
- Constant voltage
What type of current is being discussed in the text?
What type of current is being discussed in the text?
- Direct current
- Resistive current
- Static current
- Pulsating current (correct)
Which device is commonly used to convert alternating current to direct current?
Which device is commonly used to convert alternating current to direct current?
- Inductor
- Diode (correct)
- Transformer
- Thyristor
What is the frequency range of alternating current used in most power distribution systems?
What is the frequency range of alternating current used in most power distribution systems?
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Which parameter determines the direction of current flow in an alternating current system?
Which parameter determines the direction of current flow in an alternating current system?
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What is the typical voltage level for household alternating current supply in most countries?
What is the typical voltage level for household alternating current supply in most countries?
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Study Notes
Alternating Current (AC) Characteristics
- The defining characteristic of alternating current is the periodic reversal of direction.
- The type of current being discussed in the text is Alternating Current (AC).
AC Conversion and Distribution
- A device commonly used to convert Alternating Current (AC) to Direct Current (DC) is a rectifier.
- The frequency range of Alternating Current (AC) used in most power distribution systems is typically between 50-60 Hz.
- The direction of current flow in an Alternating Current (AC) system is determined by the voltage polarity.
Household AC Supply
- The typical voltage level for household Alternating Current (AC) supply in most countries is between 100-240 volts.
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