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Questions
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13001.
Explain the different types of DC generators.
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13002.
What is the working principle of a DC generator?
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13003.
What is the role of a rotor and stator in an electrical machine?
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13004.
How do cooling systems affect the performance of electrical machines?
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13005.
What is an equivalent circuit of an electrical machine, and why is it needed?
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13006.
Explain the role of a commutator in a DC machine?
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13007.
What is the significance of insulation in electrical machines?
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13008.
What is efficiency in electrical machines, and how is it calculated?
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13009.
What are the different types of losses in electrical machines?
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13010.
Explain the working principle of electrical machines.
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13011.
What are the main differences between motors and generators?
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13012.
What is an electrical machine? Explain its types.
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13013.
What is Kirchhoff’s Voltage Law (KVL)? Explain with an example.
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13014.
Define creeping error in measuring instruments.
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13015.
What is a ballistic galvanometer, and where is it used?
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13016.
Explain the term “loading effect” in measuring instruments.
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13017.
What is meant by the range of an instrument?
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13018.
Why is a damping system required in indicating instruments?
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13019.
Describe the working of a moving iron instrument?
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13020.
What is a PMMC instrument, and why is it widely used?
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13021.
What is the difference between an indicating and recording instrument?
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13022.
Explain the working principle of a moving coil instrument?
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13023.
Differentiate between analog and digital instruments?
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13024.
What is the significance of response time in instrumentation?
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13025.
Explain the concept of drift in measurements.
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13026.
What are dynamic characteristics of measuring instruments?
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13027.
Define the terms repeatability and reproducibility.
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13028.
What is a standard, and how does it help in measurement?
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13029.
What is meant by calibration, and why is it important?
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13030.
Explain the different types of errors in measurement?
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13031.
Define sensitivity and its significance in measurement?
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13032.
What is the difference between accuracy, precision, and resolution?
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13033.
What are the basic requirements of a good measuring instrument?
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13034.
What is the significance of Kirchhoff’s Laws in electrical engineering?
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13035.
How do Kirchhoff’s laws apply in a series circuit?
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13036.
How do Kirchhoff’s laws apply in a parallel circuit?
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13037.
What are node, loop, and mesh in an electrical circuit?
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13038.
How are Kirchhoff’s laws used in circuit analysis?
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13039.
What is Kirchhoff’s Current Law (KCL)? Explain with an example.
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13040.
What is the limitation of Ohm’s Law?
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13041.
How does Ohm’s Law apply to a simple circuit?
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13042.
What is Ohm’s Law? Write its mathematical formula.
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13043.
How does an electric field influence charge movement?
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13044.
What is the difference between static electricity and current electricity?
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13045.
What are charge carriers in a conductor?
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13046.
Define conductors, insulators, and semiconductors with examples.
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13047.
What is the relationship between voltage, current, and resistance?
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13048.
What is electrical power, and how is it calculated?
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13049.
What is resistance, and how does it affect a circuit?
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13050.
What is the difference between voltage and current?
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13051.
What are the basic sources of electrical energy?
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13052.
What is electricity?
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13053.
What is the function of insulation in electrical machines?
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13054.
What is efficiency in electrical machines, and how is it calculated?
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13055.
What are the main losses in electrical machines?
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13056.
What is the difference between a motor and a generator?
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13057.
What is an electrical machine, and what are its main types?
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13058.
Define electric potential and its significance in an electric circuit.
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13059.
What is the SI unit of electric charge, and how is it related to current?
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13060.
What are conductors, insulators, and semiconductors? Give examples.
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13061.
Define voltage, current, and resistance and explain their relationship using Ohm’s Law.
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13062.
What is the difference between electric charge and electric current?