MCQ Questions Electrical Engineering Regulated DC Power Supply

Regulated DC power supply-3

MCQ Questions Electrical Engineering Regulated DC Power Supply

Take a look at these MCQ Questions Electrical Engineering Regulated DC Power Supply for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Electrical Engineering Regulated DC Power Supply. 
As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.
 

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Electrical Engineering Regulated DC Power Supply - Set - 3

Question 1: 

The Zener current will be minimum when ___________

A. Load current is maximum
B. Load current is minimum
C. Load current is zero
D. None of the above

Correct Answer – (A)

Question 2 : 

Another name for Zener diode is ___________ diode

A. Breakdown
B. Voltage
C. Power
D. Current

Correct Answer – (A)

Question 3 : 

Commercial power supplies have voltage regulation ___________

A. of 10%
B. of 15%
C. of 25%
D. within 1%

Correct Answer – (D)

Question 4 : 

A Zener diode is used as a ___________ voltage regulating device

A. Shunt
B. Series
C. Series-shunt
D. None of the above

Correct Answer – (A)

Question 5 : 

The rupture of covalent bonds will occur when the electric field is ___________

A.
100 V/cm

B.
0.6 V/cm

C.
1000 V/cm

D.
More than 105 V/cm

Correct Answer – (D)

MCQ Questions Electrical Engineering Regulated DC Power Supply

Question 6: 

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

Correct Answer – (C)

Question 7: 

If the doping level is increased, the breakdown voltage of the Zener ___________

A. Remains the same
B. Is increased
C. Is decreased
D. None of the above

Correct Answer – (C)

Question 8: 

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

A. 0%
B. 5%
C. 10%
D. 8%

Correct Answer – (C)

Question 9: 

What is true about the breakdown voltage in a Zener diode?

A. It decreases when load current increases
B. It destroys the diode
C. It equals current times the resistance
D. It is approximately constant

Correct Answer – (D)

Question 10: 

A Zener diode ___________

A. Is a battery
B. Acts like a battery in the breakdown region
C. Has a barrier potential of 1 V
D. Is forward biased

Correct Answer – (B)

MCQ Questions Electrical Engineering Regulated DC Power Supply
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