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

Related Mcqs:

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...

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...

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 regulated power supply, two similar 15 V zeners are connected in series. The input voltage is 45 V d.c. If each Zener has a maximum current rating of 300 mA, what should be the value of the series resistance ?

A. 10 O B. 50 O C. 25 O D. 40 O...

A power supply has a voltage regulation of 1%. If the no-load voltage is 20 V, what is the full-load voltage ?

A. 8 V B. 7 V C. 6 V D. 2 V...