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
- 9459 Views
- I also Faced
- E-Mail Answers
Answer Posted / pillay
Yes as all have already said you dont need to use a watt meter
only if the circuit uses a Direct Current voltage and you can
calculate the power mentally by just looking at the voltmeter and ammeter.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what is the major difference between LIBBP & HIBBP.. which one is most preferable..
howmany electrician should maintain for a 1000 kva used plant... in kerala..
EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.
for opening electrical shop, tips needed.
Which type of motor is used in trains, what is the rating of supply used explain working principal?
What is FTA card? How it works?
how is capacitor bank look like
can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?
what are the tests comes under the type test, what tests comes under routine tests.
how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.
why to use freewheeling diode ( diode in revers bias mode) across dc coil
Why saturation region slowly shifted in the left side?
Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?
why we testing the core balance of the transformer before comissioning?
how are reversing the direction of dc motor
