A.it increases the input power con-sumption
B.none of the above
C.commutator gets damaged
D.both A. and B.
Explanation: The correct answer is commutator gets damaged.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 148 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 148 of 244 · 3,658 total solved questions available.
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A.none of the above
B.surge impedance of the line
C.conductance of the line
D.regulation of the line
Explanation: The correct answer is surge impedance of the line.
Submitted by: Academy of Pakistan
A.reduce the eddy currents
B.reduce noise level
C.none of the above
D.provide starting torque only
E.prevent hunting and provide the starting torque
Explanation: The correct answer is prevent hunting and provide the starting torque.
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A.polarity marking
B.dielectric medium
C.definite value
D.voltage rating
Explanation: The correct answer is polarity marking.
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A.IF
B.RF
C.audio
D.Before RF
Explanation: The correct answer is IF.
Submitted by: Academy of Pakistan
A.insulation may melt due to higher temperature
B.there is a danger of breakdown of insulation due to the presence of voids
C.skin effect dominates on the conductor
D.of corona loss between conductor and sheath material
Explanation: The correct answer is there is a danger of breakdown of insulation due to the presence of voids.
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A.Inter pole field
B.Series field
C.Shunt field
D.Compensating field
Explanation: The correct answer is Shunt field.
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A.600 MW
B.400 MW
C.200 MW
D.300 MW
Explanation: The correct answer is 600 MW.
Submitted by: Academy of Pakistan
A.1 MΩ
B.18 kΩ
C.12 kΩ
D.24 kΩ
Explanation: The correct answer is 12 kΩ.
Submitted by: Academy of Pakistan
A.to support the field coil
B.to reduce the reluctance of the mag¬netic path
C.to spread out the flux to achieve uniform flux density
D.to discharge all the above functions
Explanation: The correct answer is to discharge all the above functions.
Submitted by: Academy of Pakistan
A.electronic and bimetallic
B.both (A) and (B)
C.thermocouple
D.none of the above
Explanation: The correct answer is both (A) and (B).
Submitted by: Academy of Pakistan
A.susceptance
B.elastance
C.reluctance
D.conductance
Explanation: The correct answer is elastance.
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A.None of the above
B.Repulsion induction motor
C.Repulsion motor
D.Repulsion start induction run motor
Explanation: The correct answer is Repulsion induction motor.
Submitted by: Academy of Pakistan
If the gain versus frequency curve of a transistor amplifier is not flat, then there is distortion?
0A.Intermodulation
B.Frequency
C.None of the above
D.Amplitude
Explanation: The correct answer is Frequency.
Submitted by: Academy of Pakistan
A.nuclear power plants
B.none of the above
C.diesel engines
D.steam accumulators
E.hydraulic turbines
Explanation: The correct answer is diesel engines.
Submitted by: Academy of Pakistan