A.0.636 Emax
B.0.434 EWc
C.lAUEmax
D.0.707 Emax
Explanation: The correct answer is 0.636 Emax.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 163 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 163 of 244 · 3,658 total solved questions available.
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A.equivalent voltage source
B.equivalent voltage or current source
C.equivalent impedance
D.equivalent resistance
Explanation: The correct answer is equivalent voltage or current source.
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A.D.C. series motor
B.D.C. shunt motor
C.none of the above
D.universal motor
Explanation: The correct answer is D.C. shunt motor.
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A.runs as a generator
B.also runs as a motor comes to stop after sometime
C.does not run as a generator
Explanation: The correct answer is runs as a generator.
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A.Both (A) and (B)
B.Magnetic
C.None of the above
D.Electric
Explanation: The correct answer is Electric.
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A.corrosive fumes are produced
B.its e.m.f. remains constant
C.water is neither formed nor absorbed
D.nickel hydroxide remains unsplit
Explanation: The correct answer is water is neither formed nor absorbed.
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A.initial rate of rise of current is doubled
B.time constant remains unchanged
C.final steady current is doubled
D.time constant is halved
Explanation: The correct answer is time constant remains unchanged.
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A.Small leakage current
B.Exactly zero
C.None of the above
D.Large leakage current
Explanation: The correct answer is Small leakage current.
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A.None of the above
B.Inductive
C.Zero
D.Capacitive
Explanation: The correct answer is Zero.
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A.resistance only
B.inductance only
C.capacitance only
D.all above
Explanation: The correct answer is resistance only.
Submitted by: Academy of Pakistan
A.Apparent power is zero
B.Any capacitance even if present in the circuit will not be charged
C.Actual power of the circuit is zero
D.Relative power is.zero
Explanation: The correct answer is Actual power of the circuit is zero.
Submitted by: Academy of Pakistan
A.both B and C
B.anode current rises 10 % to 90 % of its final value
C.gate current rises from 90 % to 100 % of it final value
D.anode voltage drops from 90 % to 10 % of its initial value
Explanation: The correct answer is both B and C.
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A.Both
B.Resistor
C.None of these.
D.Bulb
Explanation: When the element is not capable of delivering energy independently, are called as passive element. Both resistor and bulb are the passive elements and they can’t increase the energy level of a circuit
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A.solve for all the voltage drops
B.equate all series components
C.equate all parallel components
D.solve for the total current and resistance
Explanation: The correct answer is solve for the total current and resistance.
Submitted by: Academy of Pakistan
A.average power used during the period
B.either of the above
C.none of the above
D.average kWh (kW) energy consumption during the period
Explanation: The correct answer is average kWh (kW) energy consumption during the period.
Submitted by: Academy of Pakistan