RESISTONS R1 AND R2 in parallel = Total R.?
1-R=R1+R2
2-R=1/R1 + 1/R2
3-1/R + R1+R2
R=R1R2/R1+R2
select one
Answer Posted / muhammad javed
2 option is correct.
| Is This Answer Correct ? | 8 Yes | 4 No |
Post New Answer View All Answers
why current flow to the opposite direction of flow of electrons???????????
in 132kv substation CRT means
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.
How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?
What is zero of the system?
What is marx circuit?
how test transfomer(3 phase75kva) by megger
what are the analog quality input for protection function?what are minimum reqiments?
how to calculation increase capacitor,increase power factor for three phase.
what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.
What are the reasons for the parallel operation of transformers?
In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes
how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?
we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?