Interested to Buy Any Domain ? << Click Here >> for more details...
power is the product of voltage and current.so we can
measure the value of power just by using ammeter and
voltmeter.......then why do we use a wattmeter?
- 5 Answers
- 9657 Views
- I also Faced
- E-Mail Answers
Answer Posted / smita
RIGHT POWER IS VOLTAGE X CURRENT BUT FROM THIS WE GET ONLY
APPERENT POWER,AND WE REQIRE REAL POWER I.E VOLTAGE X
CURRENT X POWE3R FACTOR AND FOR THAT WE REQUIRE WATTMETER
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
If there is major % of Voltage harmonics in the system, how can it be control or reduced?
Define peak overshoot.
PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?
in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients
Enlist four components of electrive drives.
What is meant by bus bar protection?
how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
how is the testing of an REF relay? what are the test REF circuit having?
What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?
What is dielectric loss?
Define open loop control system.
How to calculate earth wire load by formula
What is lifting power for 1 wb/m2 and 1 A magnet?
A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?
