A.1000/7.07KHz
B.100KHz
C.50KHz
D.1000/17KHz
Explanation: The correct answer is 50KHz.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 56 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 56 of 244 · 3,658 total solved questions available.
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A.Collector has reverse bias
B.None of the above
C.Emitter is heavily doped
D.Collector is wider than emitter or base
Explanation: The correct answer is Collector has reverse bias.
Submitted by: Academy of Pakistan
A.Only R
B.L and C
C.R and C only
D.R and L only
Explanation: The correct answer is L and C.
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A.Hardened steel
B.None of the above
C.Stainless steel
D.Soft iron
Explanation: The correct answer is Soft iron.
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A.860 k cal.
B.746 k cal.
C.735 k cal.
D.532 k cal.
Explanation: The correct answer is 860 k cal..
Submitted by: Academy of Pakistan
A.None f these
B.A buck dc – dc converter to reduce ripple in the intermediate dc bus capacitor
C.Boost single – phase power factor converter
D.Both A. and B.
Explanation: The correct answer is Both A. and B..
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A.zero
B.emitter supply voltage
C.tail current times base resistance
D.collector supply voltage
Explanation: The correct answer is zero.
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A.running charges
B.fixed charges
C.semi-fixed charges
D.all of the above
Explanation: The correct answer is all of the above.
Submitted by: Academy of Pakistan
A.795mV
B.395mV
C.39.5mV
D.795 mV
Explanation: The correct answer is 795 mV.
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A.AND gate
B.None of the above
C.OR gate
D.NOT gate
Explanation: The correct answer is NOT gate.
Submitted by: Academy of Pakistan
A.00
B.900
C.2700
D.1800
Explanation: The correct answer is 00.
Submitted by: Academy of Pakistan
A.double acting non-condensing type
B.single acting condensing type
C.double acting condensing type
D.single acting non-condensing type
Explanation: The correct answer is single acting non-condensing type.
Submitted by: Academy of Pakistan
A.removes only air from condenser
B.removes air and also vapour from condenser
C.removes only un-condensed vapour from condenser
D.removes air alongwith vapour and also the condensed water from condenser
Explanation: The correct answer is removes air alongwith vapour and also the condensed water from condenser.
Submitted by: Academy of Pakistan
A.average load x maximum load
B.average load/maximum load.
C.connected load/maximum demand.
D.maximum demand/connected load
Explanation: The correct answer is maximum demand/connected load.
Submitted by: Academy of Pakistan
A.decrease in back emf
B.increase in flux
C.decrease in reactance
D.increase in armature current
Explanation: The correct answer is decrease in back emf.
Submitted by: Academy of Pakistan