Answer Posted / fazul
In a.c system current and voltage are lag or lead according
to the inductance or capacitance.
but in d.c system current and voltages are inphase with each
other.so phase angle between current and voltage is zero.
we know p.f=cosO
p.f=1
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.
from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.
What do you mean by screen of power cables?
What is the effect of pd controller on system performance?
How to calculate that clean water supply in one Day from 150 KLD STP?
induction 3 phase motor terminal connection
what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?
What is safety of Ht panel
what is the relationship between current&voltage in practical purpose ?
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence
What is the formula for calculating no-load current?
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?