A.neither d.c. nor a.c. signals
B.a.c. signals only
C.d.c. signals only
D.both a.c. and d.c. signals
Explanation: The correct answer is both a.c. and d.c. signals.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 35 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 35 of 244 · 3,658 total solved questions available.
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A.low
B.none of the above
C.zero
D.high
Explanation: The correct answer is low.
Submitted by: Academy of Pakistan
A.kept open-circuited
B.connected to D.C. supply
C.short-circuited by low resistance
D.none of the above
Explanation: The correct answer is short-circuited by low resistance.
Submitted by: Academy of Pakistan
A.AND operation
B.OR operation
C.NOT operation
D.None of the above
Explanation: The correct answer is NOT operation.
Submitted by: Academy of Pakistan
A.to improve cooling
B.to reduce copper losses
C.to reduce the sparking
D.to increase the generated e.m.f.
Explanation: The correct answer is to reduce the sparking.
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A.Metallic alloys
B.Electrolytes
C.Liquid metals
D.Compounds of silver
Explanation: The correct answer is Electrolytes.
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A.move out of the field of influence of the two charges
B.not be in equilibrium
C.be in unstable equilibrium
D.remain in stable equilibrium
Explanation: The correct answer is remain in stable equilibrium.
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A.1.1 to 1.5
B.above 1.5
C.0.8 to 1.0
D.1.0 to 1.05
Explanation: The correct answer is 1.1 to 1.5.
Submitted by: Academy of Pakistan
A.Coloumb’s law
B.Faraday’s law
C.Fleming’s left-hand rule
D.Lenz’s law
Explanation: The correct answer is Fleming’s left-hand rule.
Submitted by: Academy of Pakistan
A.in parallel with field winding
B.in series with armature winding
C.as separately wound unit
D.in parallel with armature winding
Explanation: The correct answer is in series with armature winding.
Submitted by: Academy of Pakistan
A.to add water to the cell if needed
B.to check the level of electrolyte
C.to do all above functions
D.to allow gases out when the cell is on charge
Explanation: The correct answer is to do all above functions.
Submitted by: Academy of Pakistan
A.Frequency range
B.Fidelity
C.Selectivity
D.Sensitivity
Explanation: The correct answer is Selectivity.
Submitted by: Academy of Pakistan
A.2 x 106m/sec
B.3 x 106m/sec
C.4 x 106m/sec
D.5 x 106m/sec
Explanation: The correct answer is 3 x 106m/sec.
Submitted by: Academy of Pakistan
A.Approximately equal to 1
B.Greater than 1
C.Much less than 1
D.None of the above
Explanation: The correct answer is Approximately equal to 1.
Submitted by: Academy of Pakistan
A.1000
B.50
C.More than 10,000
D.100
Explanation: The correct answer is More than 10,000.
Submitted by: Academy of Pakistan