Constantan wire is used in making standard resistances because its
a)
Specific resistance is low
b)
Density is high
c)
Temperature coefficient of resistance is negligible
d)
Melting point is high
Constantan wire is used in making standard resistances because its
a)
Specific resistance is low
b)
Density is high
c)
Temperature coefficient of resistance is negligible
d)
Melting point is high
Question ID - 150314 | SaraNextGen Answer
Constantan wire is used in making standard resistances because its
a)
Specific resistance is low
b)
Density is high
c)
Temperature coefficient of resistance is negligible
d)
Melting point is high
|
Constantan wire is used in making standard resistances because its |
|
|
a) |
Specific resistance is low |
|
b) |
Density is high |
|
c) |
Temperature coefficient of resistance is negligible |
|
d) |
Melting point is high |
1 Answer - 5876 Votes
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Answer Key : (c) -
Answer Link|
(c) Due to the negligible temperature co-efficient of resistance of constantan wire, there is no change in it’s resistance value with change in temperature |
