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Questions
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16701.
How does commutation occur in a DC generator?
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16702.
What is armature reaction in a DC generator?
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16703.
Explain the different types of DC generators.
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16704.
What is the working principle of a DC generator?
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16705.
What is the role of a rotor and stator in an electrical machine?
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16706.
How do cooling systems affect the performance of electrical machines?
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16707.
What is an equivalent circuit of an electrical machine, and why is it needed?
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16708.
Explain the role of a commutator in a DC machine?
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16709.
What is the significance of insulation in electrical machines?
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16710.
What is efficiency in electrical machines, and how is it calculated?
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16711.
What are the different types of losses in electrical machines?
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16712.
Explain the working principle of electrical machines.
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16713.
What are the main differences between motors and generators?
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16714.
What is an electrical machine? Explain its types.
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16715.
What is Kirchhoff’s Voltage Law (KVL)? Explain with an example.
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16716.
Define creeping error in measuring instruments.
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16717.
What is a ballistic galvanometer, and where is it used?
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16718.
Explain the term “loading effect” in measuring instruments.
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16719.
What is meant by the range of an instrument?
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16720.
Why is a damping system required in indicating instruments?
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16721.
Describe the working of a moving iron instrument?
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16722.
What is a PMMC instrument, and why is it widely used?
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16723.
What is the difference between an indicating and recording instrument?
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16724.
Explain the working principle of a moving coil instrument?
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16725.
Differentiate between analog and digital instruments?
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16726.
What is the significance of response time in instrumentation?
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16727.
Explain the concept of drift in measurements.
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16728.
What are dynamic characteristics of measuring instruments?
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16729.
Define the terms repeatability and reproducibility.
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16730.
What is a standard, and how does it help in measurement?
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16731.
What is meant by calibration, and why is it important?
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16732.
Explain the different types of errors in measurement?
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16733.
Define sensitivity and its significance in measurement?
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16734.
What is the difference between accuracy, precision, and resolution?
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16735.
What are the basic requirements of a good measuring instrument?
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16736.
What is the significance of Kirchhoff’s Laws in electrical engineering?
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16737.
How do Kirchhoff’s laws apply in a series circuit?
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16738.
How do Kirchhoff’s laws apply in a parallel circuit?
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16739.
What are node, loop, and mesh in an electrical circuit?
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16740.
How are Kirchhoff’s laws used in circuit analysis?
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16741.
What is Kirchhoff’s Current Law (KCL)? Explain with an example.
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16742.
What is the limitation of Ohm’s Law?
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16743.
How does Ohm’s Law apply to a simple circuit?
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16744.
What is Ohm’s Law? Write its mathematical formula.
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16745.
How does an electric field influence charge movement?
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16746.
What is the difference between static electricity and current electricity?
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16747.
What are charge carriers in a conductor?
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16748.
Define conductors, insulators, and semiconductors with examples.
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16749.
What is the relationship between voltage, current, and resistance?
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16750.
What is electrical power, and how is it calculated?
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16751.
What is resistance, and how does it affect a circuit?
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16752.
What is the difference between voltage and current?
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16753.
What are the basic sources of electrical energy?
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16754.
What is electricity?
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16755.
What is the function of insulation in electrical machines?
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16756.
What is efficiency in electrical machines, and how is it calculated?
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16757.
What are the main losses in electrical machines?
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16758.
What is the difference between a motor and a generator?
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16759.
What is an electrical machine, and what are its main types?
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16760.
Define electric potential and its significance in an electric circuit.
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16761.
What is the SI unit of electric charge, and how is it related to current?
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16762.
What are conductors, insulators, and semiconductors? Give examples.
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16763.
Define voltage, current, and resistance and explain their relationship using Ohm’s Law.
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16764.
What is the difference between electric charge and electric current?