A.None of the above
B.Holes and free electrons
C.Only holes
D.Only free electrons
Explanation: The correct answer is Holes and free electrons.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 80 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 80 of 244 · 3,658 total solved questions available.
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A.Brass
B.Copper
C.Aluminium
D.Steel
Explanation: The correct answer is Copper.
Submitted by: Academy of Pakistan
A.Rectangular
B.Square
C.Sawtooth
D.Sinusoidal
Explanation: The correct answer is Rectangular.
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A.None of the above
B.Excessive carrier power
C.Weakening of the signal
D.Distortion
Explanation: The correct answer is Distortion.
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A.grid cut off
B.cathode
C.none of the above
D.anode
Explanation: The correct answer is grid cut off.
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A.32
B.16
C.4
D.8
Explanation: The correct answer is 8.
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A.(00, 01, 11, 10)
B.(00, 01, 10, 11)
C.(00, 10, 01, 11)
D.(00, 10, 11, 01)
Explanation: The correct answer is (00, 01, 10, 11).
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A.Stator flux
B.Both A. and (b)
C.None of the above
D.Pull in torque
Explanation: The correct answer is None of the above.
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A.Both digital and linear signals
B.Digital signals only
C.None of the above
D.Linear signals only
Explanation: The correct answer is Both digital and linear signals.
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A.none of the above
B.increases
C.remains same
D.decreases
Explanation: The correct answer is decreases.
Submitted by: Academy of Pakistan
A.Single-phase
B.Two-phase
C.Three-phase
D.Six-phase
Explanation: The correct answer is Six-phase.
Submitted by: Academy of Pakistan
A.creating residual magnetism by a D.C. source
B.neutralising residual magnetism
C.making the magnetic losses of forces parallel
D.increasing flux density by adding extra turns of windings on poles
Explanation: The correct answer is creating residual magnetism by a D.C. source.
Submitted by: Academy of Pakistan
A.external capacitance to the rotor
B.external inductance to the rotor
C.both resistance and inductance to rotor
D.external resistance to the rotor
Explanation: The correct answer is external resistance to the rotor.
Submitted by: Academy of Pakistan
A.frame or case
B.transformer tank
C.copper winding
D.winding insulation
E.iron core
Explanation: The correct answer is winding insulation.
Submitted by: Academy of Pakistan
A.0.8 power factor leading
B.unity power factor
C.0.8 power factor lagging
D.0.6 power factor lagging
Explanation: The correct answer is 0.6 power factor lagging.
Submitted by: Academy of Pakistan