A.High rupturing capacity
B.No ageing effect
C.All of the above
D.High speed operation
Explanation: The correct answer is All of the above.
Submitted by: Academy of Pakistan
Power Electronics in Electrical Engineering MCQs: 217 practice questions with answer choices and available explanations. Page 2 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 2 of 15 · 217 total solved questions available.
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A.Obtain an ac output waveform from a ac power suppl
B.Obtain an dc output waveform from a dc power supply
C.Obtain an ac output waveform from a dc power supply
Explanation: The correct answer is Obtain an ac output waveform from a dc power supply.
Submitted by: Academy of Pakistan
A.Device with four junction
B.None of the above
C.Unijunction device
D.Device with three junction
Explanation: The correct answer is Device with three junction.
Submitted by: Academy of Pakistan
A.One resistor in series with each SCR
B.Resistors of different values across each SCR
C.One resistor across the string
D.Resistors of the same value across each SCR
Explanation: The correct answer is Resistors of the same value across each SCR.
Submitted by: Academy of Pakistan
A.A parallel combination of controllable switch and capacitor is used
B.A series combination of controllable switch and a capacitor is used
C.A parallel combination of controllable switch and a diode is used
D.A series combination of controllable switch and a diode is used
Explanation: The correct answer is A parallel combination of controllable switch and a diode is used.
Submitted by: Academy of Pakistan
A.Actual gain of amplifier
B.Actual gain of attenuator
C.Gain in dB of amplifier and attenuator
D.Actual gain of amplifier and attenuator
Explanation: The correct answer is Actual gain of amplifier and attenuator.
Submitted by: Academy of Pakistan
A.Three transistors
B.Three capacitances
C.Three resistance
D.Three inductances
Explanation: The correct answer is Three inductances.
Submitted by: Academy of Pakistan
A.Greater than the source resistance
B.None of these
C.Is equal to the source resistance
D.Smaller than the source resistance
Explanation: The correct answer is Is equal to the source resistance.
Submitted by: Academy of Pakistan
A.< latching current but greater than holding current and gate signal is 0.
B.< latching current but greater than holding current and gate signal is present.
C.both (A) and (B).
D.less than holding current.
Explanation: The correct answer is both (A) and (B)..
Submitted by: Academy of Pakistan
A.RLC overdamped.
B.RLC critically damped
C.RL.
D.RLC underdamped.
Explanation: The correct answer is RLC underdamped..
Submitted by: Academy of Pakistan
A.Both rectifiers provide negative current to the load
B.Both rectifiers provides positive current to the load
C.One rectifiers provide positive current to the load and the other negative current
D.One rectifier provide positive current to the source and the other negative current to the load
Explanation: The correct answer is Both rectifiers provides positive current to the load.
Submitted by: Academy of Pakistan
A.DC switch
B.Square wave switch
C.Both a and B
D.AC switch
Explanation: The correct answer is DC switch.
Submitted by: Academy of Pakistan
A.145 μs
B.140 μs
C.130 μs
D.135 μs
Explanation: The correct answer is 135 μs.
Submitted by: Academy of Pakistan
A.1200 V/µs
B.600 V/µs
C.800 V/µs
D.1000 V/µs
Explanation: The correct answer is 800 V/µs.
Submitted by: Academy of Pakistan
A.Machine tools
B.Electric traction
C.Electric vehicles
D.All of these
Explanation: The correct answer is All of these.
Submitted by: Academy of Pakistan