A.10 A
B.30 A
C.100 A
D.60 A
Explanation: The correct answer is 100 A.
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Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 181 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 181 of 244 · 3,658 total solved questions available.
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A.changing supply frequency
B.reducing supply voltage
C.changing number of poles
D.changing winding resistance
Explanation: The correct answer is changing winding resistance.
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A.All of the above
B.Relays
C.Telephones
D.Time switches
Explanation: The correct answer is All of the above.
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A.none of the above
B.rotor shaft
C.stator frame
D.pole faces
Explanation: The correct answer is pole faces.
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A.Faradays law
B.Mutual induction
C.Law of conservation of power
D.Lenzs law
Explanation: The correct answer is Mutual induction.
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A.none of the above
B.circular conductors
C.sector-shaped conductors
D.rectangular conductors
E.square conductors
Explanation: The correct answer is sector-shaped conductors.
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A.12.04 dB
B.6.02 dB
Explanation: The correct answer is 6.02 dB.
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A.above 500
B.1
C.between 20 and 500
D.less than 1
Explanation: The correct answer is between 20 and 500.
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A.D.C dynamo
B.transformer
C.induction coil
D.A.C generator
Explanation: The correct answer is transformer.
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A.decrease armature current but increase power factor
B.increase both its armature current and power factor
C.increase armature current but decrease power factor
D.decrease both armature current and power factor
Explanation: The correct answer is increase armature current but decrease power factor.
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A.16 kVAR
B.6 kVAR
C.4 kVAR
D.8 kVAR
Explanation: The correct answer is 6 kVAR.
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A.low mercury vapour pressures are used
B.an auxiliary electrode is used
C.anode is heated
D.tube is evacuated
Explanation: The correct answer is an auxiliary electrode is used.
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A.paper
B.any of the above
C.mica strip
D.thin coat of varnish
Explanation: The correct answer is thin coat of varnish.
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A.1CT3 and 1CT7
B.KT4 and KT8
C.10″2 and KT5
D.KT3 and 1CT6
Explanation: The correct answer is KT3 and 1CT6.
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A.special test
B.none of the above
C.routine test
D.type test
Explanation: The correct answer is type test.
Submitted by: Academy of Pakistan