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Assessment

Flashcard

Mathematics

KG

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a diode?

Back

A diode is a semiconductor device that allows current to flow in one direction only.

2.

FLASHCARD QUESTION

Front

What is the main function of a rectifier?

Back

The main function of a rectifier is to convert alternating current (AC) to direct current (DC).

3.

FLASHCARD QUESTION

Front

What does AC stand for?

Back

AC stands for Alternating Current, which is an electric current that reverses direction periodically.

4.

FLASHCARD QUESTION

Front

What does DC stand for?

Back

DC stands for Direct Current, which is an electric current that flows in one direction only.

5.

FLASHCARD QUESTION

Front

How does a diode work in a circuit?

Back

A diode allows current to pass through it when it is forward-biased and blocks current when it is reverse-biased.

6.

FLASHCARD QUESTION

Front

What is the difference between AC and DC?

Back

The difference is that AC changes direction periodically, while DC flows in a constant direction.

7.

FLASHCARD QUESTION

Front

What is the purpose of converting AC to DC?

Back

The purpose is to provide a stable and constant voltage for electronic devices that require DC power.

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