A.1,078 Ω
B.778 Ω
C.1,650 Ω
D.77.8 Ω
Explanation: The correct answer is 778 Ω.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 32 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 32 of 244 · 3,658 total solved questions available.
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A.103 C
B.4 x 103 C
C.10-5 C
D.2.5 x 10-8 C
Explanation: The correct answer is 10-5 C.
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A.Silica
B.Quartz
C.Felspar
D.Kaolin
Explanation: The correct answer is Silica.
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A.It equals current times the resistance
B.It decreases when load current increases
C.It is approximately constant
D.It destroys the diode
Explanation: The correct answer is It is approximately constant.
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A.Collector is reverse biased
B.Junction capacitance is high
C.Emitter is forward biased
D.Transistor is not biased
Explanation: The correct answer is Transistor is not biased.
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A.Paper capacitor
B.Any-of the above
C.Electrolytic capacitor
D.Ceramic capacitor
Explanation: The correct answer is Electrolytic capacitor.
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A.prevent saturation
B.increase m.m.f.
C.increase the flux
D.none of the above
Explanation: The correct answer is prevent saturation.
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A.Ri
B.either Rl or Ri
C.Rl
D.none of them
Explanation: The correct answer is Rl.
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A.Air break circuit breaker
B.Oil circuit breaker
C.None of the above
D.Rewireable fuse
E.Isolator
Explanation: The correct answer is Rewireable fuse.
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A.any of the above
B.large size
C.small size
D.medium size
Explanation: The correct answer is small size.
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A.30 uF
B.5 uF
C.45 uF
D.50 uF
Explanation: The correct answer is 5 uF.
Submitted by: Academy of Pakistan
A.10 to 15 per cent
B.20 to 25 per cent
C.50 to 75 per cent
D.2 to 3 per cent
Explanation: The correct answer is 2 to 3 per cent.
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A.cathode current increases
B.anode current decreases
C.anode current does not decrease at all
D.anode current increases
Explanation: The correct answer is anode current does not decrease at all.
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A.it revolves synchronously
B.it can be easily manufactured in extremely small sizes of up to 1 W output
C.it is not subject to any magnetic or mechanical vibrations
D.it develops hysteresis torque which is extremely steady both in amplitude and phase
Explanation: The correct answer is it develops hysteresis torque which is extremely steady both in amplitude and phase.
Submitted by: Academy of Pakistan
A.become zero
B.decrease
C.increase
D.remains unchanged
Explanation: The correct answer is increase.
Submitted by: Academy of Pakistan