Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A current carrying wire heats a metal ro(d) The wire provides a constant power (P) to the ro(d) The metal rod is enclosed in an insulated container. It is observed that the temperature (T) in the metal rod changes with time (t) as
where 
is a constant with appropriate dimension while T 0 is a constant with dimension of temperature. The heat capacity of the metal is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
At equilibrium, C 
= P
So heat capacity 
From the given equation 
so 
So 
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PART I: PHYSICS
Section 1 (Maximum Marks: 12)
• This section contains FOUR (04) questions.
• Each q…
A thin spherical insulating shell of radius R carries a uniformly distributed charge such that the …
In a radioactive sample nuclei either decay into stable nuclei with decay constant 4.5 x 10 -10 p…
Section 2 (maximum marks: 32)
• This section contains EIGHT (08) questions.
• Each question has FOU…
A thin convex lens is made of two materials with refractive indices hi and n 2 , as shown in figure…
A cylindrical capillary tube of 0.2 mm radius is made by joining two capillaries ti and T 2 of diff…