a solenoid of inductance 250mH and resistance 10ohm is
connected to a battery. the time taken for the magnetic energy
to reach 1/4th of its maximum value will be?
what is cable meggering formula for low voltage ?
Why PT is fitted in incomer panel.....?
how to calculate current when LT supply 415v fed to HT Motor 6.6kv and 1120kw.
why dc series moter is not started at no load?
How do you protect your appliances from harm in case of neutral failure in a three phase power supply set up.
why, when birds sit on transmission lines or current wires doesn't get shock?
36 Answers College School Exams Tests, Infosys,
What type of pipe material G.I or M.S is used for sprinkler system?
HOW TO CONNECT THREE PHASE OVER LOAD RELAY FOR SINGLE PHASE
What is the function of earthfault relay?
18 Answers MultiTech, Tech Mahindra,
what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.
Why we use 2core cable for Dc motor.Can I use 3core?
5 Answers JK Paper, Maharaja Whiteline,
Define unilateral circuit?