A power supply which has voltage regulation of ___________ is unregulated power supply

In an unregulated power supply, if input a.c. voltage increases, the output voltage .

A

Increases

B

Decreases

C

Remains the same

D

None of the above

In an unregulated power supply, if load current increases, the output voltage ___________

A

Remains the same

B

Decreases

C

Increases

D

None of the above

If the load current drawn by unregulated power supply increases, the d.c. output voltage ___________

A

Increases

B

Decreases

C

Stays the same

D

None of the above

An ideal regulated power supply is one which has voltage regulation of ___________

A

0%

B

5%

C

10%

D

1%

Unless they reverse present politices immdiatley the world may suffer permant damage from the unregulated use of pesticides

A

Unless they reverse present policies

B

Unbnless present present policies are reserved

C

A & B both

D

None

Commercial power supplies have voltage regulation ___________

A

of 10%

B

of 15%

C

of 25%

D

within 1%

The voltage regulation in magnetic amplifier type voltage regulator is effected by

A

Electromagnetic induction

B

Varying the resistance

C

Varying the reactance

D

Variable transformer

A Zener diode utilises ___________ characteristic for voltage regulation

A

Forward

B

Reverse

C

Both forward and reverse

D

None of the above

The ___________ filter circuit results in the best voltage regulation

A

choke input

B

capacitor input

C

resistance input

D

none of the above

In an SCR circuit the supply voltage is generally ___________ that of breakover voltage

A

Equal to

B

Less than

C

Greater than

D

None of the above

A power supply which has voltage regulation of ___________ is unregulated power supply

Related Questions