why heat produced at junction of two different conductor.
what care should be taken to minimize it.

Answer Posted / kapil gehlot

when two conductor are joined then a contact resistance is
genrated due to that heat is generated and second reason
would be change of electron density and chnage of
resistivity.

Is This Answer Correct ?    6 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How is the gain affected by the introduction of feedback in a control system.

707


i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

1672


How we can calculate the life of Lead acid battery

1280


What determines the thickness of the lamination or stamping?

1143


1600kva capacity Transformers how the bucholz relay,Oil temperature,winding,surge relay relays setting are to be done

1454






anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

1948


what does mean of RCT and STR in diffrential CT?

3742


which pump used in STP

1643


How to distinguish whether MCB is DC or AC looking at it physically

1499


What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?

2033


PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

1924


how to test and calculat the head and discharge in borewell compressor

1681


defination of lines

1510


what is inter connected dc generator?

2197


Why AC current leads voltage in capacitor and how?

1589