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Experiment 7: Simple Diode Circuits - Fixed Voltage Power Supply

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Experiment 7: Simple Diode Circuits - Fixed Voltage Power Supply

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Questions and Answers

What is the primary function of a transformer in a power supply circuit?

To filter the ripple component
To regulate the voltage
To convert DC to AC
To step down high voltage AC mains to low voltage AC (correct)

What is the purpose of the filter in a power supply circuit?

To smooth the DC output and reduce the ripple component (correct)
To deliver power to the load
To convert AC to DC
To regulate the voltage

What is the function of the diode rectifier in a power supply circuit?

To regulate the voltage
To convert AC to DC (correct)
To deliver power to the load
To filter the ripple component

What is the primary function of the voltage regulator in a power supply circuit?

To eliminate ripple and set the DC output to a fixed voltage (B) Signup and view all the answers

What is the load in a power supply circuit?

The part of the circuit to which the DC power is delivered to perform useful operation (A) Signup and view all the answers

What should not be monitored simultaneously on the DSO?

Vs and Vo (B) Signup and view all the answers

What is the purpose of connecting a capacitor across RL?

To filter the output waveform (C) Signup and view all the answers

What is the role of the zener diode in the regulated DC power supply?

To produce a constant DC voltage (D) Signup and view all the answers

What is the purpose of the DSO in the experiment?

To monitor the voltage waveforms (C) Signup and view all the answers

What is the difference between a bridge rectifier with a filter and one without a filter?

The presence of a capacitor (B) Signup and view all the answers