DC Power Supply Objective Questions

For instrumentation system, precision variable voltage-reference system is necessary.

Which of the following can be source of supply in dc power supplies?

Stability of output voltage is entirely depended on ___________

Why zener diodes are provided in dc supply?

Which of the applications filters used for?

Which of the following are not standard value of zener diodes?

Which of the following represent change of output voltage when load current is increased?

Which of the following can be used as a comparator?

Which of the following generate output voltage much closer to true value?

For excellent stability, zener diode is kept in temperature controlled casket.