A.Interference
B.Immunity
C.Electromagnetic compatibility
D.Emission
Explanation: The correct answer is Immunity.
Submitted by: Academy of Pakistan
Power Electronics in Electrical Engineering MCQs: 217 practice questions with answer choices and available explanations. Page 1 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 1 of 15 · 217 total solved questions available.
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A.latching current
B.holding current
C.peak reverse voltage
D.breakdown voltage
Explanation: The correct answer is holding current.
Submitted by: Academy of Pakistan
A.Zero
B.Switches between 0 and + 1
C.Switches between – 1 / 2 and + 1 / 2
D.Switches between – 1 and + 1
Explanation: The correct answer is Switches between – 1 / 2 and + 1 / 2.
Submitted by: Academy of Pakistan
A.low value.
B.zero value.
C.moderate value.
D.high value.
Explanation: The correct answer is high value..
Submitted by: Academy of Pakistan
A.The capacitance voltage adds to the supply voltage
B.Both A. and B.
C.Voltage across the commutating inductances collapses
D.None of these
Explanation: The correct answer is Both A. and B..
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The most suited gate pulses given to the AC regulator with R – L load can be in the form of________?
0A.Large isolating pulse transformer
B.A train of pulses
C.None of these
D.Continuous signal
Explanation: The correct answer is A train of pulses.
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A.Sine wave
B.Square wave
C.Trapezoidal wave
D.Triangular wave
Explanation: The correct answer is Sine wave.
Submitted by: Academy of Pakistan
A.180 degree
B.210 degree
C.190 degree
D.200 degree
Explanation: The correct answer is 210 degree.
Submitted by: Academy of Pakistan
A.snubber circuit.
B.voltage clamping device.
C.heat sink.
D.fuse.
Explanation: The correct answer is voltage clamping device..
Submitted by: Academy of Pakistan
A.Six
B.One
C.Nine
D.Three
Explanation: The correct answer is Six.
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A.Positive gate signal
B.None of these
C.Positive drain signal
D.Positive source signal
Explanation: The correct answer is Positive gate signal.
Submitted by: Academy of Pakistan
A.SITS
B.IGBTs
C.COOLMOS
D.TRIAC
Explanation: The correct answer is TRIAC.
Submitted by: Academy of Pakistan
A.anode voltage drops from 10 % of its initial value to zero
B.anode current rises from 10 % to 90 % of its final value
C.anode current rises from 90 % to its final value
D.both (A) and (B)
Explanation: The correct answer is anode current rises from 90 % to its final value.
Submitted by: Academy of Pakistan
A.R and C in series but with diode across R
B.R and C in series but with diode across C
C.Series R and diode with C across R
Explanation: The correct answer is R and C in series but with diode across R.
Submitted by: Academy of Pakistan
A.Three
B.two
C.Four
D.One
Explanation: The correct answer is two.
Submitted by: Academy of Pakistan