For carbon, resistance diminishes as temperature rises.
For which of the following substances, resistance decreases with increase in temperature?
(a) Copper
(b) Mercury
(c) Carbon
(d) Platinum
(a) Copper
(b) Mercury
(c) Carbon
(d) Platinum
For which of the following substances, resistance decreases with increase in temperature?
(a) Copper
(b) Mercury
(c) Carbon
(d) Platinum
(a) Copper
(b) Mercury
(c) Carbon
(d) Platinum