Published by:
CGP EDU Academic Team
Published on: August 23, 2026
To measure the temperature coefficient of resistivity 
of a semiconductor, an electrical arrangement shown in the figure is prepared. The arm 
is made up of the semiconductor. The experiment is being conducted at 
and resistance of the semiconductor arm is 
. Arm 
is cooled at a constant rate of 
. If the galvanometer 
shows no deflection after 10 s, then 
is :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For no deflection 
Temperature fall in 
──────────────────────────────────────────────────────────────────────────────────────────
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- A
In an ammeter, of the main current passes through the galvanometer. If …
From the statements given below:
A diatomic gas does of work when it is expanded isobarically. The heat given to the gas in the pr…
A disc of radius and mass is rolling horizontally without slipping with speed . It then moves up…
Conductivity of a photodiode starts changing only if the wavelength of incident light is less than …
A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become: