At light load transformer efficiency is less because
A secondary output is low B transformer losses
are high
C fixed loss is high compared to output
D
copper loss is small
why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?
DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.
why power dissipation is due to low frequency?
what is the type of pilot wire in pilot relay?
Pls any send the cable selection chart. at azeemk30@gmail.com
what is the voltage between earth to neutral in lift.
pls tell us AC plant are how do work and parts name with picture
What is potientometer.How it is useful in a sychronoscope.
When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?
How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.
Why the voltage n frequency of the incoming generator is kept slightly higher than d grid voltage n frequency while synchronization ?
ful form of gis
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