In a d.c current, the power is the product of voltage and
current. This relationship does not always apply to
effective(r.m.s) values in an a.c circuit. Explain the
reason for this.
Answer Posted / loki
in dc average values of voltage and currents are always
constant.in ac instantaneous values differ from time to
time so we will take rms values
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Define ampere
sir vizag steel ka junior trainee ka paper kitne number ka ayega
WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT
How to calculate loses in transformer of 160 KVA ?
what is the effect of power factor of machines in starting current
State kirchoff current law?
how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?
what are the advantage and dis-advantage of 3 phase 4 wire energy meter?
What is reverse power relay?
What are the types of the glands and difference between single and double compression type of cable Glands.
what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.
List the power rating of any 5 important electrical appliances used in houses.
Hi Everyone ! My Name is Hakim ullah khan please i need formula of Cable Rating because i want to calculate by self without check any Table Chart... Thank you.....
Tell me about ur past electrical maintanence job
sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.