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Questions and Answers
How many cycles will an AC signal complete in 2 seconds if its frequency is 100 Hz?
What is the range in which the power factor of an AC voltage typically lies?
What do alternating current voltages have in terms of phases and neutral points?
In India, what are the standard values for voltage and frequency in electricity systems?
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The period of a wave is directly related to which of the following quantities?
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Which unit is used to express frequency in cycles per second?
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When waveform-1 starts from the origin and waveform-2 starts from π/2, what relationship is defined between them?
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What is the average value of the following currents: 5A, 6A, 7A?
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What is the primary function of a transformer?
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In a transformer with a primary winding supplied with 120V AC and a turn ratio of 10, what is the secondary voltage?
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Why are transformer cores laminated?
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Which parameter does not change in an ordinary transformer?
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In an ideal transformer, what is true about the windings and core?
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What material is the core of a transformer typically made of?
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What is the primary function of the stator in an electric motor?
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Which type of motor uses brushes and a commutator?
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What determines the direction of rotation of a DC motor according to the text?
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What is true about hysteresis loss according to the text?
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