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Questions and Answers
What is the main function of a rectifier?
What is the main function of a rectifier?
- Converting DC to AC
- Regulating DC current
- Converting AC to DC (correct)
- Generating AC current
Which physical forms can rectifiers take?
Which physical forms can rectifiers take?
- Crystal radios, motor-generator sets, silicon-controlled rectifiers
- Vacuum tube diodes, wet chemical cells, semiconductor diodes (correct)
- Mercury-arc valves, stacks of copper and selenium oxide plates, synchronous electromechanical switches
- Crystal detectors, high-voltage direct current, radio receivers
What is the reverse operation of a rectifier called?
What is the reverse operation of a rectifier called?
- Converter
- Inverter (correct)
- Transformer
- Amplifier
Which material was used in early radio receivers as a point-contact rectifier?
Which material was used in early radio receivers as a point-contact rectifier?
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Where are rectifiers often found serving as components?
Where are rectifiers often found serving as components?
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What is the main function of a rectifier?
What is the main function of a rectifier?
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Which physical forms can rectifiers take?
Which physical forms can rectifiers take?
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What were early radio receivers called that used a 'cat's whisker' of fine wire pressing on a crystal of galena as a point-contact rectifier?
What were early radio receivers called that used a 'cat's whisker' of fine wire pressing on a crystal of galena as a point-contact rectifier?
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What is the reverse operation of a rectifier called?
What is the reverse operation of a rectifier called?
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Where are rectifiers often found serving as components?
Where are rectifiers often found serving as components?
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