The thermo emf of copper-constantan couple is 
V per degree. The smallest temperature difference that can be detected with this couple and a galvanometer of 100
resistance capable of measuring the maximum current of 
A is
a)
10
b)
7.5
c)
5.0
d)
2.5
The thermo emf of copper-constantan couple is V per degree. The smallest temperature difference that can be detected with this couple and a galvanometer of 100 resistance capable of measuring the maximum current of A is
a)
10
b)
7.5
c)
5.0
d)
2.5
Question ID - 150775 | SaraNextGen Top Answer
The thermo emf of copper-constantan couple is V per degree. The smallest temperature difference that can be detected with this couple and a galvanometer of 100 resistance capable of measuring the maximum current of A is
a)
10
b)
7.5
c)
5.0
d)
2.5
|
The thermo emf of copper-constantan couple is |
|||||||
|
a) |
10 |
b) |
7.5 |
c) |
5.0 |
d) |
2.5 |
1 Answer
127 votes
Answer Key / Explanation : (d) -
|
(d) If
|
is the smallest temperature difference that can be detected, then
127 votes
Answer Link
127