What are linear elements and non linear elements? and I don't want answers with graph related

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how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

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What is the similarity and what is the difference between relays and PLC?

3 Answers   NTPC,

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a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?

1 Answers   SSC,

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What is boucholz relay and the significance of it in to the trformer?

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how to calculate the ct burden?

1 Answers  

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what is the formula for 3 phase motor starting cureent deatials 3phase 148A delta 415v, efficiancy 94% can we run the motor with 200A incoming supply

2 Answers  

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an off load but energized 11/0.4 KV, 1250 KVA T/F has a power factor of 0.65(capacitive)..!! why is it so, though T/F being an inductive device ??

4 Answers  

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What is kvar?

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What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?

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Why and which type of tertiary winding is used in most of the power transformer?

2 Answers  

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For overhead protection we use which transformer?

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