how we can produce negative DC voltage ? please explain it
.,thank u
Answer Posted / stu b
Connect the supply the wrong way round. IE negative to positive, positive to negative
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
what is the reqirred voltage in HT motor to get full RPM on no load test?
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
why ahould you show client/engineer activities clearly on the project plan
what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?
what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?
As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.
sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used
What are high pass filter and low pass filter? and What are the flowmeter ?
1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?
what happen when power factor of 2 parallely operated transformer become equle?
how to determine the inrush current of a transformer
Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?
What is the basic of DTH.