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Explain the advantages of the wheatstone bridge method of
measuring resistance?
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Answer Posted / jvino03
Wheatstone Bridge Consist of 4 Resistance.. Out of Four
Resistance three are Standard one.. and one will be the
varying nature.. if bridge is balance only the variable
resistance equal to the standard resistance,.. through
galvanometer we observe the changes...
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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...
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