A.all of the above
B.short-circuit current under rated voltage
C.power factor on short circuit
D.leakage reactance
Explanation: The correct answer is all of the above.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 8 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 8 of 244 · 3,658 total solved questions available.
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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..
Submitted by: Academy of Pakistan
A.equal to unity
B.slightly more than unity
C.slightly less than unity
D.equal to that ferromagnetic mate rials
Explanation: The correct answer is slightly more than unity.
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A.the current through the resistance is less
B.the current through the resistance is more
C.both resistance and inductance carry equal currents
D.none of the above
Explanation: The correct answer is both resistance and inductance carry equal currents.
Submitted by: Academy of Pakistan
A.accelerating and braking periods are comparatively smaller
B.all of the above
C.it has longer free running period
D.it has longer coasting period
Explanation: The correct answer is all of the above.
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A.negative
B.data is insufficient
C.positive
D.zero
Explanation: The correct answer is zero.
Submitted by: Academy of Pakistan
A.50% full load
B.nearly full load
C.70% full load
D.no load
Explanation: The correct answer is nearly full load.
Submitted by: Academy of Pakistan
A.10 times greater than before
B.5 times greater than before
C.5 times smaller than before
D.25 times larger than before
Explanation: The correct answer is 25 times larger than before.
Submitted by: Academy of Pakistan
A.A. By magnetic induction
B.From the centre of split capacitors
C.By a tickler coil
D.None of the above
Explanation: The correct answer is From the centre of split capacitors.
Submitted by: Academy of Pakistan
A.PGA
B.PLCC
C.BGA
D.QFP
Explanation: The correct answer is BGA.
Submitted by: Academy of Pakistan
A.10 V
B.50V
C.25V
D.15 V
Explanation: The correct answer is 25V.
Submitted by: Academy of Pakistan
A.to increase the generated e.m.f.
B.so that the two identical machines will pass approximately equal cur¬rents to the load
C.to reduce the combined effect of ar-mature reaction of both the machines
D.to increase the series flux
Explanation: The correct answer is so that the two identical machines will pass approximately equal cur¬rents to the load.
Submitted by: Academy of Pakistan
A.none of the above
B.cooling time constant
C.either A. or B.
D.heating time constant
Explanation: The correct answer is heating time constant.
Submitted by: Academy of Pakistan
A.chemical effect
B.induction
C.magnetic effect
D.pholoelectric effect
Explanation: The correct answer is induction.
Submitted by: Academy of Pakistan