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
- 9461 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
When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
what is the Transformer Impedence?How can calculate?
either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?
What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?
What is the difference between circuit breaker and isolator
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
Why front mounted CT polarities are always towards breaker?
What is the approximate value of stacking factor?
How does a battary stores charge in it? please explain in simple manner and in detail.thanks
how to calculate
What is bode plot?
placement paper samples of mspl company
any one please tell taht what type questions will be asked in BHEL interview, i am having interview on 24th Dec, please send this to mail pradeepsistam@yahoo.co.in
why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)
what & how to check the lightning arrester
