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
- 9683 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
how we can set the IDMT relay.
Compare jfet’s and mosfet’s.
plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.
How 3 phase invertor works?
How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon
sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"
how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.
if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?
State ohm’s law?
what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????
Load break swicth maintenance procedure.
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"
What is an iron loss or core loss pi?
WHAT IS LOAD CELL
Define newton's law of viscosity.
