A.0
B.10
C.1
Explanation: The correct answer is 0.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 205 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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Electrical Engineering MCQs
Showing page 205 of 244 · 3,658 total solved questions available.
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A.27.5 V
B.42.5 V
C.30 V
D.86.5 V
Explanation: The correct answer is 42.5 V.
Submitted by: Academy of Pakistan
A.to control the solid concentration in the boiler water by removing some of the concentrated saline water
B.none of the above
C.to reduce the boiler pressure
D.to increase the steam temperature
Explanation: The correct answer is to control the solid concentration in the boiler water by removing some of the concentrated saline water.
Submitted by: Academy of Pakistan
A.self-induced e.m.f.
B.back e.m.f
C.none of the above
D.mutually induced e.m.f.
Explanation: The correct answer is back e.m.f.
Submitted by: Academy of Pakistan
A.2 m
B.8.5 m
C.6 m
D.3.5 m
Explanation: The correct answer is 6 m.
Submitted by: Academy of Pakistan
A.Both voltage and current amplification
B.Current amplification
C.Voltage amplification
D.None of the above
Explanation: The correct answer is Voltage amplification.
Submitted by: Academy of Pakistan
A.4
B.6
C.3
D.2
Explanation: The correct answer is 3.
Submitted by: Academy of Pakistan
A.poor ventilation
B.none of the above
C.better ventilation
D.worst, ventilation
Explanation: The correct answer is better ventilation.
Submitted by: Academy of Pakistan
A.0.2 Wb
B.0.02 Wb
C.2 Wb
D.20 Wb
Explanation: The correct answer is 0.02 Wb.
Submitted by: Academy of Pakistan
A.Either A. or B.
B.None of the above
C.Hard magnetic materials
D.Soft magnetic materials
Explanation: The correct answer is Soft magnetic materials.
Submitted by: Academy of Pakistan
A.produce large amount of heat
B.increase the life of the heating element
C.reduce the length of heating element
D.reduce the effect of oxidation
Explanation: The correct answer is reduce the length of heating element.
Submitted by: Academy of Pakistan
A.15 V
B.30 V
C.45 V
D.5 V
Explanation: The correct answer is 30 V.
Submitted by: Academy of Pakistan
A.be non-inflammable
B.be acid proof
C.have all above properties
D.be non-hygroscopic
Explanation: The correct answer is have all above properties.
Submitted by: Academy of Pakistan
A.One transistor
B.None of the above
C.Two transistors
D.Three transistors
Explanation: The correct answer is One transistor.
Submitted by: Academy of Pakistan
A.may be more or less depending upon the magnitude of p1 and p2
B.has same thermal efficiency as carnot cycle operating between same pressure limits
C.has lower the”nal efficiency than carnot cycle operating between same pressure limit?
D.has higher the renal efficiency than the carnot cycle operating between same pressure limits
Explanation: The correct answer is has higher the renal efficiency than the carnot cycle operating between same pressure limits.
Submitted by: Academy of Pakistan