Rectifiers: AC-DC Conversion

Rectifiers: AC-DC Conversion

University

15 Qs

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Rectifiers: AC-DC Conversion

Rectifiers: AC-DC Conversion

Assessment

Quiz

Science

University

Practice Problem

Medium

NGSS
HS-PS3-3, HS-ETS1-3

Standards-aligned

Created by

alfiaputri wulandari

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the primary function of a rectifier?

To amplify electrical signals.

To store electrical energy.

To regulate voltage levels.

The primary function of a rectifier is to convert AC to DC.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Define an uncontrolled rectifier.

An uncontrolled rectifier is a device that converts AC to DC using diodes without external control.

A controlled rectifier that uses transistors for AC to DC conversion.

An uncontrolled rectifier that requires external control to function.

A device that only converts DC to AC using diodes.

Tags

NGSS.HS-PS3-3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the main components of a controlled rectifier?

Diodes, capacitors, inductors

Transformers, resistors, fuses

Microcontrollers, sensors, relays

Power source, load, thyristors (SCRs)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Explain the difference between AC and DC voltage.

AC voltage alternates direction; DC voltage flows in one direction.

DC voltage can alternate direction like AC voltage.

AC voltage is used in batteries while DC voltage is used in power lines.

AC voltage is always higher than DC voltage.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the role of a diode in a rectifier circuit?

To regulate the voltage output of the circuit.

The role of a diode in a rectifier circuit is to convert AC to DC by allowing current to flow in one direction.

To store energy for later use in the circuit.

To amplify the AC signal before conversion.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How does a controlled rectifier differ from an uncontrolled rectifier?

A controlled rectifier is always more efficient than an uncontrolled rectifier.

A controlled rectifier can regulate output using a gate signal, while an uncontrolled rectifier operates without control.

An uncontrolled rectifier can be turned on and off using a gate signal.

Both types of rectifiers require a constant input voltage to function.

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the advantages of using a controlled rectifier?

Limited control over output voltage

Higher power losses

Advantages of using a controlled rectifier include precise control of power, improved efficiency, reduced power losses, and cost-effectiveness.

Increased complexity in design

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS3-3

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