why dc measurements are noted in mc whereas it is mi in ac measurements?

Answer Posted / dr rajan

Moving coil instruments work on magnetic repulsion. Moving
Iron instruments work on repulsion based on charge
polarization.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1470


What is the best thing to protect the motor from running over full current. CT or O/L or pressure transducer at the given pressure rating

1041


1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.

1539


hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

1514


Is any generator is developed which is operated with out diesal or other expensive source?

1644






In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

1592


i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?

3072


Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

1627


sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

1413


If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

705


in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

1815


hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?

1788


How to calculate fault level of 11 KV system

1528


Why neutral cable carry current.

1528


What is the difference between grid and off- grid system??

1500