A.Indirect switch matrix circuits
B.All of these
C.Embedded converters
D.Direct switch matrix circuits
Explanation: The correct answer is Direct switch matrix circuits.
Submitted by: Academy of Pakistan
Power Electronics in Electrical Engineering MCQs: 217 practice questions with answer choices and available explanations. Page 9 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 9 of 15 · 217 total solved questions available.
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A.dV / dt triggering
B.Forward voltage triggering
C.Gate triggering
D.Thermal triggering
Explanation: The correct answer is Gate triggering.
Submitted by: Academy of Pakistan
A.Cathode, anode, gate
B.Drain, source, gate
C.Two main terminal and a gate terminal
D.None of the above
Explanation: The correct answer is Two main terminal and a gate terminal.
Submitted by: Academy of Pakistan
A.Cmin= ( 1 – 2 D ) V / 42 ( Vr L f2 )
B.Cmin = V / ( Vr L f2 )
C.Cmin= ( 1 – 2 D ) V / 32 ( Vr L f2 )
D.Cmin= ( 1 – D ) V / ( Vr L f2 )
Explanation: The correct answer is Cmin= ( 1 – 2 D ) V / 32 ( Vr L f2 ).
Submitted by: Academy of Pakistan
A.Both conducts in either direction
B.DIAC conducts in forward direction and TRIAC conducts in reverse direction
C.Both conducts in reverse direction
D.Both conducts in forward direction
Explanation: The correct answer is Both conducts in either direction.
Submitted by: Academy of Pakistan
A.Frequency only
B.Duty ratio only
C.Duty ratio and frequency
D.Duty ratio, frequency and time delay
Explanation: The correct answer is Duty ratio, frequency and time delay.
Submitted by: Academy of Pakistan
A.MOSFETs
B.TRIACs
C.Semi conductor diodes
D.Thyristor
Explanation: The correct answer is Thyristor.
Submitted by: Academy of Pakistan
A.All of these
B.Reverse recovery time ( trr ) > gate recovery time (tgr)
C.Circuit turn OFF time > device turn OFF time ( tq )
D.Device turn OFF time ( tq ) > reverse recover time (trr)
Explanation: The correct answer is All of these.
Submitted by: Academy of Pakistan
A.Second harmonic
B.Do not produce harmonics
C.Fifth harmonic
D.Third harmonic
Explanation: The correct answer is Do not produce harmonics.
Submitted by: Academy of Pakistan
A.90.9 %
B.91.6 %
C.83.3 %
D.76.3 %
Explanation: The correct answer is 76.3 %.
Submitted by: Academy of Pakistan
A.Line impedance stabilization network
B.Laser integrated stabilization networking
C.Line integrated stabilization network
D.Line integrated stored network
Explanation: The correct answer is Line impedance stabilization network.
Submitted by: Academy of Pakistan
A.two SCR’s in parallel opposition
B.three SCR’s in series
C.two SCR’s in series
D.four SCR’s in series
Explanation: The correct answer is two SCR’s in parallel opposition.
Submitted by: Academy of Pakistan
A.None of these
B.BJTs and SITs
C.BJTs and MOSFETs
D.SITs and MOSFETs
Explanation: The correct answer is BJTs and MOSFETs.
Submitted by: Academy of Pakistan
A.All of these
B.Does not carry any current in any direction when it is off
C.Carry current in any direction when it is on
D.Lossless
Explanation: The correct answer is All of these.
Submitted by: Academy of Pakistan
A.Lesser than the average power supplied by the dc source
B.Equal to the average power supplied by the ac source
C.Greater than the average power supplied by the dc source
D.Equal to the average power supplied by the dc source
Explanation: The correct answer is Equal to the average power supplied by the dc source.
Submitted by: Academy of Pakistan