which of the folowing has negative temperature coefficient
of resistance?
a. mercury
b. copper
c. lead
d. carbon
Answer Posted / siva naik
The mercury has negative temperature coefficient
of resistance
| Is This Answer Correct ? | 10 Yes | 2 No |
Post New Answer View All Answers
how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.
How many types of electric motors are there?
why does a dc machine has high efficiency while working as a generator than as a motor ..
What is the function of RCBO? What are the different sensitivity ratings & each application?
what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.
plz tell me,ht and lt panel terminals in substations explain beiefly
Explain advantages of storage batteries
Differnce between negative Pahse SequenceFunction and unbalance Function?
sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
what is per unit calculation?looking for simple and strong explanation thk u
WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT
Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???
Safety of dry type transformer
any idea abt REVERSE METERING concept.........?
please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com