REVIEW_Rectification

what is the meaning of rectification?

• a process of smoothing using a capacitor

• a process of adding impurities to pure materials

• a process of converting an alternating current into a direct current by using a diode.

This is a graph that is seen on CRO. How is it change after full wave rectification process?

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Which of the following circuits will produce a full wave rectification?

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Which is a symbol for diode?

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Half- wave rectification required ___________ diode in a circuit.

• two

• three

• four

• one

Half wave rectification is defined as

• a type of rectifier that only allows one half-cycle of an AC voltage waveform to pass, blocking the other half-cycle

• a type of rectifier that only allows one half-cycle of an AC voltage waveform to pass.

• a type of rectifier that only allows both half-cycle of an AC voltage waveform to pass.

• a type of rectifier that change AC to DC in single loop.

In full- wave rectification, four diodes need to be connected in _____________ formation.

• straight

• side by side

• Bridge

• forward and reverse biased

On second half-wave cycle, current will passes through diodes _________ and _________

• D1 , D4

• D1 , D2

• D4, D3

• D2, D3

On first half-wave cycle, current will passes through diodes _________ and _________

• D1 , D4

• D1 , D2

• D2, D4

• D2, D3

Characteristics of a diode that helps in rectification

• Allows Unidirectional flow of current

• Allows Bidirectional flow of current

• Opposes the flow of current

• conducts in reverse biased