Sir I want questions for rrb sec technician gr III
(electrical)
Dear sir,We have a 7.5hp motor,it was running smoothly and suddenly one winding is carring more current then others(r=6.5,y=6.3,b=10)..whts wrong with tis...?
a bulb of 100W and anather bulb of 200W , rated supply voltage 230v.when supply voltage is reduced to 100v,which bulb will give more light? and why with calculation?
why any surge protection is not provided to UHV ac transmission line (765kv) ?
1 Answers NK Power Systems, Reliance,
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