which of the folowing has negative temperature coefficient
of resistance?
a. mercury
b. copper
c. lead
d. carbon
- 2 Answers
- 7489 Views
- I also Faced
- E-Mail Answers
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
What current position are you holding in your current company?
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???
what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?
In EB metering we face problem kva jump even in no load condition.can any one help to control this
what is strip power factor?
Define norton equivalent circuit?
Why we are use dol starter up to 10 hp
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?
details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?
how to find Harmonics and types as per the equipemnts
Why CBCT rating is 50/1A
What are the special cables required for explosion proof wiring?
what is vA rating and class of a ct.
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
