A.Couple or bypass a.c. component
B.Protect the transistor
C.Provide biasing
D.Cool the transistor
Explanation: The correct answer is Couple or bypass a.c. component.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 2 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 2 of 244 · 3,658 total solved questions available.
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A.Good frequency response
B.Cooling of the circuit
C.Distortionless output
D.Impedance matching
Explanation: The correct answer is Impedance matching.
Submitted by: Academy of Pakistan
A.10
B.4
C.6
D.2
Explanation: The correct answer is 10.
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A.is unaffected by increase in Rankine cycle efficiency
B.none of the above
C.decreases with increase in Rankine cycle efficiency
D.increases with increase in Rankine cycle efficiency
Explanation: The correct answer is increases with increase in Rankine cycle efficiency.
Submitted by: Academy of Pakistan
A.it will pick up very high speed and may go out of step
B.starting torque is very high
C.motor takes five to seven times its full load current
D.it will run in reverse direction
Explanation: The correct answer is motor takes five to seven times its full load current.
Submitted by: Academy of Pakistan
A.carrier more than rated current
B.none of the above
C.is forward biased
D.is reverse biased
Explanation: The correct answer is carrier more than rated current.
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A.(ß+1)RC
B.1-ß
C.(ß+1)
D.RB (ß+1)
Explanation: The correct answer is (ß+1).
Submitted by: Academy of Pakistan
A.have a high impedance
B.act like a resistor of low value
C.have a high voltage developed across each inductive and capacitive section
D.have current in each section equal to the line current
Explanation: The correct answer is have a high impedance.
Submitted by: Academy of Pakistan
A.none of the above
B.more than that of large dry cell
C.equal to that of large dry cell
D.less than that of large dry cell
Explanation: The correct answer is less than that of large dry cell.
Submitted by: Academy of Pakistan
A.Remains the same
B.Is decreased
C.Is increased
D.Insufficient data
Explanation: The correct answer is Is increased.
Submitted by: Academy of Pakistan
A.0.225
B.0.26
C.0.16
D.0.3
Explanation: The correct answer is 0.16.
Submitted by: Academy of Pakistan
A.infrared frequencies
B.a.c. and high frequency
C.frequencies having no effect
D.none of the above
E.d.c. and low frequency
Explanation: The correct answer is d.c. and low frequency.
Submitted by: Academy of Pakistan
A.just one
B.none of the above
C.always less than one
D.always greater than one
Explanation: The correct answer is always greater than one.
Submitted by: Academy of Pakistan
A.Copper
B.Load
C.Zinc
D.Aluminium
E.None of the above
Explanation: The correct answer is Aluminium.
Submitted by: Academy of Pakistan
A.have poor power factor
B.spark excessively
C.all of the above
D.have poor efficiency
Explanation: The correct answer is all of the above.
Submitted by: Academy of Pakistan