Why not LED burn after showing alarm,as Alarm volt is 11-
13,But LED is of3 volt,why it isnt Burn??
why current is constant on d.c?
How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f normally used in Canada is to be operated in Europe on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same
What is required of exietation to the alternater.
Can 2 nos. of 1 ton split ac be used through a 20 am supply meter?
How the surge voltage can be arrested in electronic devices
How the Oil Surge Relay works? How it protect the OLTC?
how to check the insulation for motor using megger?
ward lconard control
A 25MVA 3300/400V T/F is termed as per winding is …… a) primary 3300V & Secondary 400V b) primary 3300V & low voltage winding 400V c) High voltage winding 3300V & Secondary 400V d) High voltage winding 3300V & low voltage winding 400V
4 Answers Engineers India Limited,
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Explain difference between aluminium coductor & copper coductor.
what is mutual induction principle?