A.Powdered iron core
B.Laminated iron core
C.Iron core
D.Air core
Explanation: The correct answer is Air core.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 90 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 90 of 244 · 3,658 total solved questions available.
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A.Receiving antenna
B.Audio stage
C.RF stage
D.IF stage
Explanation: The correct answer is RF stage.
Submitted by: Academy of Pakistan
A.farad
B.ohm
C.farad/m
D.henry
Explanation: The correct answer is farad.
Submitted by: Academy of Pakistan
A.double cage rotor
B.short-circuited rotor
C.wound rotor
D.any of the above
Explanation: The correct answer is wound rotor.
Submitted by: Academy of Pakistan
A.none of the above
B.Faraday’s laws
C.Kirchhoff s laws
D.Coulomb’s laws
Explanation: The correct answer is Coulomb’s laws.
Submitted by: Academy of Pakistan
A.V-belts
B.gear trains
C.brakes
D.chains
Explanation: The correct answer is gear trains.
Submitted by: Academy of Pakistan
A.40 Q
B.30 Q
C.10 Q
D.20 Q
Explanation: The correct answer is 30 Q.
Submitted by: Academy of Pakistan
A.power factor as well as armature current will increase
B.power factor as well as armature current will decrease
C.power factor will decrease and armature current will increase
D.power factor will increase but armature current will decrease
Explanation: The correct answer is power factor will decrease and armature current will increase.
Submitted by: Academy of Pakistan
A.nuclear power plants
B.thermal power plants
C.diesel generating plants
D.steam power stations
Explanation: The correct answer is nuclear power plants.
Submitted by: Academy of Pakistan
A.Magnetic susceptibility
B.Permittivity
C.Moment of a magnet
D.Permeability
Explanation: Magnetic susceptibility is the degree to which a material is magnetized by an external magnetic field, hence in the SI system it is dimensionless.
Submitted by: Academy of Pakistan
A.remains the same irrespective of outside air temperature
B.decreases with increase in outside air temperature
C.may increase or decrease with increase in outside air temperature
D.increases with increase in outside air temperature
Explanation: The correct answer is decreases with increase in outside air temperature.
Submitted by: Academy of Pakistan
A.reduces the quantity of vapour extracted along with air
B.does not affect vapour quantity extracted but reduces pump capacity of air extraction pump
C.increases the quantity of vapour extracted along with air
D.none of the above
Explanation: The correct answer is reduces the quantity of vapour extracted along with air.
Submitted by: Academy of Pakistan
A.2 poles
B.8 poles
C.6 poles
D.4 poles
Explanation: The correct answer is 6 poles.
Submitted by: Academy of Pakistan
A.Circuit breaker
B.Snubber circuit
C.Equalizing circuit
D.Fuse
Explanation: The correct answer is Snubber circuit.
Submitted by: Academy of Pakistan
A.0.8 dB
B.8.30 dB
C.0 dB
Explanation: The correct answer is 8.30 dB.
Submitted by: Academy of Pakistan