Q.
On increasing the temperature of a conductor, its resistance increases because
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
relaxation time decreases
b
mass of the electrons increases
c
electron density decreases
d
None of the above
answer is A.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Resistance of conductor depends upon relaxation time as R ∝ 1τ. With rise in temperature rms speed of free electrons inside the conductor increases, so relaxation time decreases and hence resistance increases.
Watch 3-min video & get full concept clarity