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Topic :: Watt
why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer
2 33803If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?
1926why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?
1 8570how to find the ballast lost from the actual wattage? for example i am going to buy decorative type 2x36watts fluorescent light fitting for this lamp how to find the ballast lost? is there any formula?
MEIL,
2 5728when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?
2493when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?
4 24516watt meter have 4 terminals what there name??? and what theses 4 terminals indicates ?? and why 2 terminals are short circuited??
1 6360A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.
1 34801ampear me kitna watts hota hai aur elcb ka pura naam kya hai
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what about the power of wattmeter at starting and loding?
How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.
How can we checked Killo Watts of Motor & Alternator?
In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem
8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......
How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts
the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?
i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?
why we get 2 differnet values for power factor in 2 watt meter method in 3 phase
IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?
A signal with 300 milliwatts power passes through 10 devices, each with an average noise of 3 microwatts. What is the SNR? What is the SNRdb?
How to calculate IKW (inputkilowatt) ie.. efficiency of a airconditioning chiller plant capacity of 310TR
how much power is required for a 200 watts bulb if 60p/unit is observed?
what is difference b/w watt loss and watt full devices. what is watt loss and watt full devices?
What is principle of Floroscent tube 36watt.
