Q.
Two rods are of same material and have same length and area. Heat ∆Q flows through them in 12 minutes, when they are joined side by side. If now both the rods are joined inparallel, then the same amount of heat ∆Q will flow in:
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
24 min
b
3 min
c
12 min
d
6 min
answer is B.
(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
∆Q∆t=KA∆Tl⇒∆Q12=KA(∆T)2l and ∆Qt=K(2A)∆Tl⇒t=3 min.
Watch 3-min video & get full concept clarity