A.None of the above
B.Series-parallel
C.Parallel
D.Series
Explanation: The correct answer is Series.
Submitted by: Academy of Pakistan
Regulated D.C. Power Supply in Electrical Engineering MCQs: 39 practice questions with answer choices and available explanations. Page 1 of 3.
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View All Electrical Engineering MCQs MCQsBasic Electrical MCQs121Power Electronics217Transformers132Transmission and Distribution90D.C. Motors130D.C. Generators120Polyphase Induction Motors99Single Phase Induction Motors110Synchronous Motors122Network Theorems47Economics of Power Generation98A.C. Fundamentals, Circuits and Circuit Theory109Cables57Electrolysis and Storage of Batteries119Electrostatics180Magnetic Circuit28Rectifiers and Converters58Magnetism and Electromagnetism85Electromagnetic Induction85Switchgear and Protection102OP-AMP Circuits24Heating and Welding50Earthing or Grounding11Parallel Circuits25Oscillators28Amplifiers with Negative Feedback18Transistors42Semiconductor Diode44Analog Electronics46Hybrid Parameters12Modulation and Demodulation40Control Systems100Digital Electronics36Electric Traction74Electrical Engineering Materials100Electrical Machine Design103Electronic Instruments30Field Effect Transistors - FET47Industrial Drives70Integrated Circuits15Measurement and Instrumentation109Multi-Stage Transistor Amplifiers40Power Generation121Regulated D.C. Power Supply39SCR (Silicon Controlled Rectifiers)25Semiconductor Theory35Single Stage Transistor Amplifiers38Solid-State Switching Circuits29Transistor Audio Power Amplifiers39Transistor Biasing40Transistor Tuned Amplifiers40Series-Parallel Circuits29Passive Filters20Operational Amplifier30
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Regulated D.C. Power Supply
Showing page 1 of 3 · 39 total solved questions available.
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A.Avalanche mechanism
B.None of the above
C.Both Zener and avalanche mechanism
D.Zener mechanism
Explanation: The correct answer is Avalanche mechanism.
Submitted by: Academy of Pakistan
A.10 %
B.8%
C.5 %
D.0 %
Explanation: The correct answer is 10 %.
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A.None of the above
B.External resistance
C.Power dissipation
Explanation: The correct answer is External resistance.
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As the junction temperature increases, the voltage breakdown point for avalanche mechanism________?
0A.None of the above
B.Decrease
C.Increases
D.Remains the same
Explanation: The correct answer is Increases.
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A.It equals current times the resistance
B.It decreases when load current increases
C.It is approximately constant
D.It destroys the diode
Explanation: The correct answer is It is approximately constant.
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A.Power
B.Voltage
C.Current
D.Breakdown
Explanation: The correct answer is Breakdown.
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A.It is a constant-voltage device
B.It is a diode
C.It works in the forward region
D.It is a constant current device
Explanation: The correct answer is It is a constant-voltage device.
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A.High
B.Very high
C.Small
D.Moderate
Explanation: The correct answer is Small.
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A.None of the above
B.Zener voltage as well as Zener current
C.Zener voltage
D.Zener current
Explanation: The correct answer is Zener current.
Submitted by: Academy of Pakistan
A.Acts like a battery in the breakdown region
B.Is a battery
C.Is forward biased
D.Has a barrier potential of 1 V
Explanation: The correct answer is Acts like a battery in the breakdown region.
Submitted by: Academy of Pakistan
A.10%
B.0%
C.5%
D.1%
Explanation: The correct answer is 0%.
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A.Load current is maximum
B.Load current is minimum
C.None of the above
D.Load current is zero
Explanation: The correct answer is Load current is maximum.
Submitted by: Academy of Pakistan
A.Decreases
B.Increases
C.None of the above
D.Remains the same
Explanation: The correct answer is Decreases.
Submitted by: Academy of Pakistan
A.None of the above
B.Series current
C.Load current
D.Zener current
Explanation: The correct answer is Series current.
Submitted by: Academy of Pakistan