Question { Honeywell, 4358 }

what is the use of terminals in transformer ?

Answer

i must say u r joking

terminals r used for making a connection with any component.

Question { 2980 }

Hi,,
Just I want ask, if the power factor decrease what happen
in voltage regulation?
Thanks..

Answer

due to decrease in power factor, the value of line current
increases.
more line current means more voltage drop (i.e. voltage
regulation), where voltage drop is V=IR.

Question { 4808 }

why the LED of my electrical meter glows even after the line
has gone.
what actually the reason?

Answer

but Mr. praveen, the led glows for a long time, often more
than one hour, and this is also rare i.e it does not happens
all time that led glows. sometime it turns off with the
supply.

Question { Pepsi, 14880 }

What will happen when we connect 2 bulbs in series between 2
phases

Answer

well dear, the glow of bulb will depend upon the phase angle between the phases.
if there is any phase difference, as generally happens in case of three phase system, then the bulb will glow, with the resultant frequency.