Answer / ali raza

Benjamin Franklin by using power kites

Answer / ashok mishra

Benjamin Franklin is the first inventer

Answer / tukulu

M. Nayak.

Answer / georgia

how do we make electricity

Answer / rishabh dubey

About 600 B.C.
Greek philosopher and mathematician Thales von Milet
discovers the frictional electricity of amber.

Answer / rishabh dubey

Thomas Elva Edison(U.S.A.) IN 1982

Answer / ayyapa

pandiyarajan

Answer / soujanya

THOMAS ALVA EDISON

Answer / rahul

v. r. kumar who born in uganda in 1975 he invented it soon
after he passed kg1. his contribution to electricity is
phenominal . he was nominated for nobal also for this but
edison got for his cfl bulb invention anyway he is soon
going to be awarded by bharat ratna. currently this great
inventor is working under chain singh (madhiwale)

Answer / sumit garg

Electricity is a poer that can be inverted in any form.
main thing is that you want to invert that in witch form.
for the phisical output you can change that one through
transducer.
like pizo electric transducer.

to invert electricity we an use a rectifier.

can we amplify dc signals.how can it be done

4 Answers  

In CTs tan delta point should be earthed , what is the reason behind it?

0 Answers  

how many amps in 1 KVA? V=440v, PF=0.8 and FREQ=50Hz

22 Answers  

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

0 Answers  

How to calculate KW what is the formula for KW.

18 Answers   Toyota, UU,

why ground cannot be used as neutral as ground also provides close path for current flowing ?

3 Answers  

how to erect roof control panel?

0 Answers  

why we need of power factor correction? give advantages

3 Answers  

WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

0 Answers   TATA,

what is destructive and non-destructive testing of welding

0 Answers  

what is the charging battery current of 80 kva UPS/100AH bocket make battery.

4 Answers