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Questions and Answers
What is the primary function of a power supply in electronic circuits?
What is the primary function of a power supply in electronic circuits?
- To convert high voltage AC mains electricity to a suitable low voltage supply for electronics circuits (correct)
- To convert DC voltage to high voltage AC mains electricity
- To convert high voltage AC mains electricity to a stable high voltage supply for electronics circuits
- To convert low voltage AC mains electricity to a suitable high voltage supply for electronics circuits
What is the function of a transformer in the power supply?
What is the function of a transformer in the power supply?
- To regulate the DC voltage provided by the wall outlet
- To step up or step down the AC voltage provided by the wall outlet to a desired amplitude through the action of a magnetic field (correct)
- To convert AC voltage to DC voltage
- To filter the AC voltage provided by the wall outlet
What is the function of a rectifier in the power supply?
What is the function of a rectifier in the power supply?
- To regulate the DC input voltage
- To convert the DC input voltage to pulsating AC
- To filter the DC input voltage
- To convert the AC input voltage to pulsating DC (correct)
Why is the pulsating DC voltage output from the rectifier not suitable for direct use in electronic devices?
Why is the pulsating DC voltage output from the rectifier not suitable for direct use in electronic devices?
What is the role of regulation in a regulated power supply?
What is the role of regulation in a regulated power supply?
What is the purpose of a filter in a rectifier circuit?
What is the purpose of a filter in a rectifier circuit?
Which type of regulator produces a constant DC output voltage by reducing the ripple to a negligible amount?
Which type of regulator produces a constant DC output voltage by reducing the ripple to a negligible amount?
What does line regulation aim to achieve?
What does line regulation aim to achieve?
How can load regulation be defined?
How can load regulation be defined?
What is the function of a series regulator circuit?
What is the function of a series regulator circuit?
Which component in a power supply is responsible for converting high voltage AC mains electricity to a suitable low voltage supply for electronic circuits?
Which component in a power supply is responsible for converting high voltage AC mains electricity to a suitable low voltage supply for electronic circuits?
What is the primary function of the rectifier in a power supply?
What is the primary function of the rectifier in a power supply?
What is the main purpose of a filter in a rectifier circuit?
What is the main purpose of a filter in a rectifier circuit?
Why is the pulsating DC voltage output from the rectifier not suitable for direct use in electronic devices?
Why is the pulsating DC voltage output from the rectifier not suitable for direct use in electronic devices?
What is the function of regulation in a regulated power supply?
What is the function of regulation in a regulated power supply?
What is the primary purpose of a filter in a rectifier circuit?
What is the primary purpose of a filter in a rectifier circuit?
Which two categories are used to define the types of voltage regulation?
Which two categories are used to define the types of voltage regulation?
What is the function of line regulation in a power supply?
What is the function of line regulation in a power supply?
Which type of linear regulator is connected in series with the load?
Which type of linear regulator is connected in series with the load?
What does load regulation aim to achieve in a power supply?
What does load regulation aim to achieve in a power supply?
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