The resistance of a wire at 300 K is found to be 0.3
. If the temperature coefficient of
resistance of wire is 
, the temperature at which the resistance becomes 0.6
is
a)
720 K
b)
345 K
c)
993 K
d)
690 K
The resistance of a wire at 300 K is found to be 0.3 . If the temperature coefficient of
resistance of wire is , the temperature at which the resistance becomes 0.6 is
a)
720 K
b)
345 K
c)
993 K
d)
690 K
Question ID - 151150 | SaraNextGen Top Answer
The resistance of a wire at 300 K is found to be 0.3 . If the temperature coefficient of
resistance of wire is , the temperature at which the resistance becomes 0.6 is
a)
720 K
b)
345 K
c)
993 K
d)
690 K
|
The resistance of a wire at 300 K is found to be 0.3 resistance of wire is |
|||||||
|
a) |
720 K |
b) |
345 K |
c) |
993 K |
d) |
690 K |
1 Answer
127 votes
Answer Key / Explanation : (c) -
|
(c) Given,
Temperature coefficient of resistance,
Again,
Dividing Eq. (ii) by Eq. (i), we get
|
127 votes
Answer Link
127