Answer Posted / p. gupta

in case of offline ups power is processed(step down or up to maintain specified voltage level and filtered) and fed to the load , in case of mains failure power is supplied by inverter
while in case of online ups inverter is always on to supply power to load. power from mains and inverter is synchronized and fed to load

Motor,transformers,capacitor tubelight etc....

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i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

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lorteny method

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