IC 741 is opampIC..moreover AND OR NOT ICs also have '74' in them.. why is that number specifically used?

1 Answers  

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

0 Answers  

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pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

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what is the difference between neutral and earth

11 Answers  

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which is batter in construction job,ELCB or RCCB?

7 Answers   HCC,

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WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?

0 Answers  

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What is the battery voltage limit

3 Answers  

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how to do CT Burden test

2 Answers  

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motor and transformer working with same principle so why motor rotor was roted and transformer not roted

9 Answers   ABB, Suzlon,

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what is the differnce between high impedance relay and low impedance relay

4 Answers   Areva,

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What may be happen if neutral and earth is shorted in a substation

3 Answers   Bureau Veritas,

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what is the diffrence between capasitor and battery?

2 Answers  

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