Electronic Devices - Voltage Regulators

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You can easily solve all kind of Electronic Devices questions based on Voltage Regulators by practicing the objective type exercises given below, also get shortcut methods to solve Electronic Devices Voltage Regulators problems.

Exercise :: Voltage Regulators - General Questions

1. 

The 7812 regulator IC provides ________.

A. 5 V
B. –5 V
C. 12 V
D. –12 V

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

2. 

Refer to the given figure. If the zener diode had a rating of 1.7 V, the output voltage would be

A. 2.13 V.
B. 8.36 V.
C. 20.16 V.
D. 25 V.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

3. 

Refer to the given figure. This circuit operates at a ________ frequency, and its efficiency is ________.

A. low, low
B. low, high
C. high, high
D. high, low

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

4. 

Voltage regulators keep a constant ________ output voltage when the input or load varies within limits.

A. dc
B. ac
C. ripple

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

5. 

Calculate the ripple voltage of a full-wave rectifier with a 75-F filter capacitor connected to a load drawing 40 mA.

A. 1.20 V
B. 1.28 V
C. 1.32 V
D. 1.41 V

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.