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
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
What is the difference between DOL starter and star delta starter
How wire size can define in electrical wiring? What is the ratio?
I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.
please give some hindalco placement papers for written exam
Transformer how to maintaince a check b check c check d check
What are the disadvantages of hydropower?
Explain what is use of lockout relay in ht voltage?
What Maximam Gap Taibaar & Bush
I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.
What is Long rod insulator and it's applications..? merits over the disc insulator ..?
CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415
How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???
why we change the direction of winding in rotor ?how we make the north and south pole?
what is the maximum temperature rating of a thhn insulated conductor?