A.60°
B.0°
C.90°
D.180″
Explanation: The correct answer is 90°.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 182 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 182 of 244 · 3,658 total solved questions available.
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A.increases in the branch of the lowest resistance
B.is zero in the highest resistive branch
C.increases in each branch
D.is zero in all branches
Explanation: The correct answer is is zero in all branches.
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A.low voltage demand
B.high current demand
C.high voltage demand
D.low current demand
Explanation: The correct answer is high voltage demand.
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A.all of above motors
B.D.C. shunt motor
C.induction motor
D.D.C. series motor
Explanation: The correct answer is D.C. series motor.
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A.Flyback capacitor
B.Flyback transformer
C.Flyback resistor
D.Flyback transistor
Explanation: The correct answer is Flyback transformer.
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A.the same phase as the rotor e.m.f.
B.zero frequency
C.the same frequency as the slip frequency
D.high value for the satisfactory speed control
Explanation: The correct answer is the same frequency as the slip frequency.
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A.none of the above
B.either A.C. or D.C.
C.A.C. only
D.D.C. only
Explanation: The correct answer is either A.C. or D.C..
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A.150 to 175 kg
B.60 to 80 kg
C.28 to 30 kg
D.100 to 120 kg
Explanation: The correct answer is 28 to 30 kg.
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A.All of these
B.Triangle carrier
C.Sawtooth carrier
D.Inverted sawtooth carrier
Explanation: The correct answer is All of these.
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A.none of the above
B.less than 15 A
C.15 A
D.more than 15 A
Explanation: The correct answer is less than 15 A.
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A.depends upon composition of dielectric
B.decrease
C.remain constant
D.increase
Explanation: The correct answer is decrease.
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A.output voltage fluctuation from no load to full load is least
B.difference between primary and secondary voltage is least
C.difference between primary and secondary voltage is maximum
D.output voltage fluctuation with power factor is least
Explanation: The correct answer is output voltage fluctuation from no load to full load is least.
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A.Reduce noise
B.Increase the Q of tuned circuit
C.Reduce stray capacitance
D.Stabilise d.c. bias
Explanation: The correct answer is Increase the Q of tuned circuit.
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A.6 mH
B.4 mH
C.5 mH
D.12 mH
Explanation: The correct answer is 6 mH.
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A.± 10%
B.± 20%
C.± 5%
D.± 15%
Explanation: The correct answer is ± 10%.
Submitted by: Academy of Pakistan