A.6000 A.
B.2121.32 A.
C.1500 A.
D.4242.64 A.
Explanation: The correct answer is 2121.32 A..
Submitted by: Academy of Pakistan
Power Electronics in Electrical Engineering MCQs: 217 practice questions with answer choices and available explanations. Page 12 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 12 of 15 · 217 total solved questions available.
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A.0.01 A.
B.0.002 A.
C.0.004 A.
D.0.009 A.
Explanation: The correct answer is 0.004 A..
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A modern power semiconductor device that combines the characteristic of BJT and MOSFET is________?
0A.MCT
B.FCT
C.IGBT
D.GTO
Explanation: The correct answer is IGBT.
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A.All of these
B.They can link two AC system operating unsynchronized
C.Very good dynamic behavior
D.Reversal of power can be controlled by firing angle
Explanation: The correct answer is All of these.
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A.DC output power to the transformer volt – amp rating required by primary
B.DC output power to the transformer volt – amp rating required by secondary
C.AC input power to the transformer volt – amp rating required by primary
D.AC input power to the transformer volt – amp rating required by secondary
Explanation: The correct answer is DC output power to the transformer volt – amp rating required by secondary.
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A.High
B.infinity
C.moderate
D.low
Explanation: The correct answer is low.
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A.Result in net current flow component into the base
B.Only (b) and (c)
C.Do not contribute to the collector current
D.Only (a) and (b)
E.Contribute to the collector current
Explanation: The correct answer is Only (a) and (b).
Submitted by: Academy of Pakistan
A.30° to 180°.
B.30° to 150°.
C.60° to 120°.
D.60° to 180°.
Explanation: The correct answer is 30° to 150°..
Submitted by: Academy of Pakistan
A.anti parallel connection.
B.parallel connection.
C.both B and C.
D.series connection.
Explanation: The correct answer is parallel connection..
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A.SCR
B.GTO
C.SITH
D.SIT
Explanation: The correct answer is GTO.
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A.Electrical power developed in armature – iron and copper losses
B.Electrical power developed in armature – copper losses
C.Mechanical power input – iron and friction losses
D.Mechanical power input – iron and friction losses – copper losses
Explanation: The correct answer is Mechanical power input – iron and friction losses – copper losses.
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A.On – line transformer tap changing
B.All of these
C.Soft starting
D.Lighting and heating control
Explanation: The correct answer is All of these.
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A.2 A
B.1 A
C.100 mA
D.500 mA
Explanation: The correct answer is 500 mA.
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A.Only (a) and (b)
B.An inductor
C.A capacitor
D.A variable resistor
Explanation: The correct answer is Only (a) and (b).
Submitted by: Academy of Pakistan
A.There is always a path for the ac current independent of the ac line
B.There is always a path for the dc current independent of the ac line
C.There is always a path for the dc current dependent of the ac line
Explanation: The correct answer is There is always a path for the dc current independent of the ac line.
Submitted by: Academy of Pakistan