A Zener diode is used as a ___________ voltage regulating device

A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes ___________

A

Less than load current

B

Zero

C

More than load current

D

None of the above

Another name for Zener diode is ___________ diode

A

Breakdown

B

Voltage

C

Power

D

Current

The doping level in a zener diode is ___________ that of a crystal diode

A

the same as

B

less than

C

more than

D

none of the above

If the load resistance decreases in a Zener regulator, then Zener current ___________

A

Decreases

B

Stays the same

C

Increases

D

None of the above

A zener diode is ___________ device

A

a non-linear

B

a linear

C

an amplifying

D

none of the above

The load voltage is approximately constant when a Zener diode is ___________

A

Forward biased

B

Unbiased

C

Reverse biased

D

Operating in the breakdown region

A Zener diode utilises ___________ characteristic for voltage regulation

A

Forward

B

Reverse

C

Both forward and reverse

D

None of the above

A zener diode has ___________ breakdown voltage

A

undefined

B

sharp

C

zero

D

none of the above

In a loaded Zener regulator, which is the largest Zener current?

A

Series current

B

Zener current

C

Load current

D

None of the above

What is true about the breakdown voltage in a Zener diode?

A

It decreases when load current increases

B

It destroys the diode

C

It equals current times the resistance

D

It is approximately constant

A Zener diode is used as a ___________ voltage regulating device

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