A.Push-pull
B.Dual
C.Symmetrical
D.Differential
Explanation: The correct answer is Push-pull.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 135 of 244.
Electrical Engineering MCQs by topic
Basic 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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Showing page 135 of 244 · 3,658 total solved questions available.
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A.AC – DC converters
B.DC – DC converters
C.AC – AC converters
D.DC – AC converters
Explanation: The correct answer is DC – DC converters.
Submitted by: Academy of Pakistan
A.Current and voltage
B.Current, voltage and frequency
C.Current only
D.Current, voltage, frequency and short time current
Explanation: The correct answer is Current, voltage, frequency and short time current.
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A.Its high Q
B.Its high output
C.Less availability of quartz crystal
D.Its low output
Explanation: The correct answer is Its low output.
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A.surface is moistened
B.oil compound dressing is done
C.conductive dressing is done
D.talcum powder is sprayed on the surface
Explanation: The correct answer is conductive dressing is done.
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A.less than 1%
B.2%
C.4%
D.1.5%
Explanation: The correct answer is less than 1%.
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A.the number of their turns
B.cross-sectional area of their common core
C.permeability of the core
D.all of the above
Explanation: The correct answer is all of the above.
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A.the transconductance increases
B.the drain current increases
C.none of the above
D.the mobility decreases
Explanation: The correct answer is the mobility decreases.
Submitted by: Academy of Pakistan
A.gassing
B.colour of electrode
C.specific gravity
D.all above
Explanation: The correct answer is all above.
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A.Mercury arc rectifier
B.Motor converter
C.Motor-generator set
D.Rotary converter
Explanation: The correct answer is Mercury arc rectifier.
Submitted by: Academy of Pakistan
A.directly as square of number of turns
B.directly as the cross-sectional area of magnetic core
C.directly as the permeability of the core
D.inversely as the length of the iron path
E.as A. to (d)
Explanation: The correct answer is as A. to (d).
Submitted by: Academy of Pakistan
A.161 µF
B.220 µF
C.81 µF
D.0.161 µF
Explanation: The correct answer is 0.161 µF.
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A.heavy
B.low
C.normal
D.medium
Explanation: The correct answer is heavy.
Submitted by: Academy of Pakistan
A.at 63.2% of its maximum steady value
B.after one time constant
C.near the final maximum value of current
D.at the start of the current flow
Explanation: The correct answer is at the start of the current flow.
Submitted by: Academy of Pakistan
A.pressed and varnished cloth
B.positive voltage conductor
C.none of the above
D.post varnish conductor
E.polyvinyl chloride
Explanation: The correct answer is polyvinyl chloride.
Submitted by: Academy of Pakistan