which of the folowing has negative temperature coefficient
of resistance?
a. mercury
b. copper
c. lead
d. carbon
Answer Posted / samir yadav
carbon
| Is This Answer Correct ? | 17 Yes | 2 No |
Post New Answer View All Answers
bitumar
What is boucholz relay and the significance of it in to the trformer?
what happen ehen synchronisation is done at below rated speed
Explain the operation carried out in thermal power stations?
What are the essential characteristics of signal flow graphs?
Safety of on line ups
How to calculate multiplying factor of dc energy meter
block diagram of 2 ups system connected in hot stand by mode?
What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?
why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?
how to set relay setting? and example calculation...
Write the current equation in series RLC circuits.
Why did lightening arrestor solid copper rod head is sharp on mobile tower top?
How we can calculate the life of Lead acid battery
what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated