The Zener current will be minimum when ___________

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

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

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

When load current is zero, the Zener current will be

A

Zero

B

Minimum

C

Maximum

D

None of the above

In a Zener voltage regulator, the changes in load current produce changes in ___________

A

Zener current

B

Zener voltage

C

Zener voltage as well as Zener current

D

None of the above

The current in a Zener diode is limited by ___________

A

External resistance

B

Power dissipation

C

Both (A) and (B)

D

None of the above

A Zener regulator ___________ in the power supply

A

Increases the ripple

B

Decreases the ripple

C

Neither increases nor decreases the ripple

D

Data insufficient

Zener diode are generally made of ___________

A

Germanium

B

Silicon

C

Carbon

D

None of the above

A Zener voltage regulator is used for ___________ load currents

A

High

B

Very high

C

Moderate

D

Small

In the breakdown region, a zener didoe behaves like a ___________ source.

A

constant voltage

B

constant current

C

constant resistance

D

none of the above

The Zener current will be minimum when ___________

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