A.snubber circuit
B.fast acting fuse
C.metal oxide varistor
D.aluminium block
Explanation: The correct answer is metal oxide varistor.
Submitted by: Academy of Pakistan
Power Electronics in Electrical Engineering MCQs: 217 practice questions with answer choices and available explanations. Page 13 of 15.
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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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Power Electronics
Showing page 13 of 15 · 217 total solved questions available.
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A.as static conductor
B.for speed control of dc shunt motor
C.for power control
D.All of these
Explanation: The correct answer is All of these.
Submitted by: Academy of Pakistan
A.Three times the input frequency
B.Six times the input frequency
C.Equal to the input frequency
D.Twice the input frequency
Explanation: The correct answer is Six times the input frequency.
Submitted by: Academy of Pakistan
A.None of above
B.Power dioed
C.MOSFET
D.BJT
Explanation: The correct answer is None of above.
Submitted by: Academy of Pakistan
A.holes only
B.either electron or holes
C.Both electron and holes
D.electrons only
Explanation: The correct answer is holes only.
Submitted by: Academy of Pakistan
A.delay time
B.spread time
C.all
D.rise time
Explanation: The correct answer is rise time.
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A.Voltage clamping device
B.Snubber circuit
C.Fuse.
D.Inductor
Explanation: The correct answer is Inductor.
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A.All of these
B.11
C.5
D.7
Explanation: The correct answer is All of these.
Submitted by: Academy of Pakistan
A.90 – 100 µs
B.1 – 4 µs
C.10 – 20 µs
D.40 – 60 µs
Explanation: The correct answer is 1 – 4 µs.
Submitted by: Academy of Pakistan
A.1.5 – 2 V.
B.0 – 0.5 V.
C.0.5 – 1 V.
D.1 – 1.5 V.
Explanation: The correct answer is 1 – 1.5 V..
Submitted by: Academy of Pakistan
A.A regulator
B.A chopper
C.A rectifier
D.An inverter
Explanation: The correct answer is An inverter.
Submitted by: Academy of Pakistan
A.Can control the load voltage
B.Cannot control the load voltage except by means of dc link voltage
C.Cannot control the load voltage except by means of dc link current
D.Cannot control the load voltage
Explanation: The correct answer is Cannot control the load voltage except by means of dc link voltage.
Submitted by: Academy of Pakistan
A.Sine AC output voltage
B.Trapezoidal AC output voltage
C.Square AC output voltage
D.Triangular AC output voltage
Explanation: The correct answer is Square AC output voltage.
Submitted by: Academy of Pakistan
A.in series
B.either series or parallel
C.anti parallel
D.in parallel
Explanation: The correct answer is in parallel.
Submitted by: Academy of Pakistan
A.Only majority carriers
B.Both minority and majority carriers
C.None of these
D.Only minority carriers
Explanation: The correct answer is Only majority carriers.
Submitted by: Academy of Pakistan