what's the meaning of the negative going half cycle in the
circuit containing a bulb and a switch in series with a
input ac source.
i mean what happens in the -ve cycle.
the dir. of current changes or any other thing.
if dir. changes then why we use fuse in only phase wire.
How Can I calculate for the photometrics requirements for a
street lighting? Data given are: 45 units of 6 meter light
pole with 150 watts metal halide lamp, 220 volts and
installed in a promenade area.
what is the difference between vector scale and vector diagram?
the typical output of a solar cell is........
Scott connection is used for
A 3-phase to 2-phase conversion B to achieve
C to save copper D to reduce harmonics
1. If 8.35%Z means the percentage impedance of 132kV-line
from power company, we will like to reconfirm its base capacity.
in single phase converter, the no.of scr's conducting during
a)1 b)2 c)3 d)4
how to flameproof electrical motor on the shaft?
What is the rating factor for copper cable ( Specific value
according to the type of laying ) & the voltage drop?
explain supply side and demand side energy management with
advantages & disadvantages
yesterday i am using my laptop by plugging power supply
also battery was working properly
after while i unplugged AC power source ,using my battery
i played car game (use much power)
after that the battery finished the charge and it closed my PC.
after that my battery not charge (when unplug
automatically PC will turn off)
What is the formula for calculating the Instantaneous Short
Circuit & overcurrent for any breaker
what is the principle of operation of synchronous motor and
generator? explain in detail.
What is the physical significance of phase.. i.e. what is
exactly the meaning in layman's language.. 1 phase, 3 phase
what is the saturation point of crgo lamination.
How to calculate flow of water delivered by pump when
pressure & size of pipe line is given