how we can calculate power factor without knowing current in
230v 100w load ?
- 10 Answers
- 16870 Views
- I also Faced
- E-Mail Answers
Answer Posted / gnaneshwar
without knowing current we cannot find the powerfactor.As per
question we have voltage v=230 and power p=100w as per
ohm'slaw p=vi,so I=p/v you'll get current then powerfactor=p/vI
| Is This Answer Correct ? | 3 Yes | 9 No |
Post New Answer View All Answers
how we can set the IDMT relay.
why asa method ZPF method is more accurate than ASA method?
why normally Generator rating are between 11Kv to 22Kv?
I completed my BE EEE degree 2006 .... which license should i apply .... ?????
why genarator genarating voltage 11 KV?
I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.
if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .
How is magnetic leakage reduced?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??
what is the constructional difference between a power transformer and potentian transformer?
What is frantic effect?
I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
How to megger test 11 kV cable and the acceptance IR value
