Questions
Two identical plates of metal are welded end to end as shown in figure (A); 20 cal of heat flows through it in 4 minutes. If the plates are welded as shown in figure (B), the same amount of heat will flow through the plates in
detailed solution
Correct option is A
R1=2RR2=R2Qt=θ1−θ2R⇒t∝R⇒t2t1=R/22R⇒t2=t14=44Talk to our academic expert!
Similar Questions
A body of length 1 m having cross sectional area has heat flow through it at the rate of 6000 Joule/sec. Then find the temperature difference if K = 200 J
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
