A.five joules
B.one joule
C.one watt
D.one joule second
Explanation: The correct answer is one joule.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 106 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 106 of 244 · 3,658 total solved questions available.
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A.Bistable
B.Monostable
C.Astable
D.None of the above
Explanation: The correct answer is Astable.
Submitted by: Academy of Pakistan
A.All of the above
B.Better efficiency
C.Lower cost
D.High power factor
Explanation: The correct answer is High power factor.
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A.Change in VCC
B.Change in the values of circuit resistance
C.None of the above
D.Change in ICBO
Explanation: The correct answer is Change in ICBO.
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A.None of the above
B.Reducing gate voltage to zero
C.Reverse biasing the gate
D.Reducing anode voltage to zero
Explanation: The correct answer is Reducing anode voltage to zero.
Submitted by: Academy of Pakistan
A.Internal resistance will increase
B.Sulphation of plates will occur
C.Capacity of cell will reduce
D.All above will occur
Explanation: The correct answer is All above will occur.
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A.10″6 cm
B.10″10 m
C.10-8 mm
D.10~14 m
Explanation: The correct answer is 10″10 m.
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A.none of the above
B.open-circuit test only
C.short-circuit test only
D.stator resistance test
Explanation: The correct answer is short-circuit test only.
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A.All of the above
B.Copper loss
C.Core loss
D.Mechanical loss
Explanation: The correct answer is All of the above.
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A.0.75
B.0.25
C.1
D.0.5
Explanation: The correct answer is 0.5.
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A.terminal voltage in proportion to load
B.open circuit voltage equal to the voltage on full load
C.terminal voltage in proportion to current
D.zero internal resistance
Explanation: The correct answer is zero internal resistance.
Submitted by: Academy of Pakistan
A.zero
B.high but within tolerance
C.low but not zero
D.infinite
Explanation: The correct answer is infinite.
Submitted by: Academy of Pakistan
A.fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz
B.fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz.
C.fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz
D.fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz
Explanation: The correct answer is fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz.
Submitted by: Academy of Pakistan
A.equal to diesel power station
B.less than diesel power station
C.more than diesel power station
Explanation: The correct answer is more than diesel power station.
Submitted by: Academy of Pakistan
A.1.5Hzs
B.1sec
C.106sec
D.1Hzs
Explanation: The correct answer is 1Hzs.
Submitted by: Academy of Pakistan