Login
Remember
Register
Free Test Series
Q&A
Questions
Unanswered
Ask a Question
Ask a Question
The solids which have negative temperature coefficient of resistance are :
0
votes
asked
Dec 29, 2021
in
Kinematics
by
deepak01
(
12.2k
points)
The solids which have negative temperature coefficient of resistance are :
A metals
B insulators only
c semiconductors only
D insulators and semiconductors
Your answer
Your name to display (optional):
Email me at this address if my answer is selected or commented on:
Email me if my answer is selected or commented on
Privacy: Your email address will only be used for sending these notifications.
1
Answer
0
votes
answered
Dec 29, 2021
by
kritika
(
90.1k
points)
Solution:
For metals temperature coefficient of resistance is positive while for insulators and semiconductors, temperature coefficient of resistance is negative
Your comment on this answer:
Your name to display (optional):
Email me at this address if a comment is added after mine:
Email me if a comment is added after mine
Privacy: Your email address will only be used for sending these notifications.
Related questions
0
votes
3
answers
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
asked
Dec 18, 2021
in
Kinematics
by
kritika
(
90.1k
points)
0
votes
3
answers
Two metallic spheres of equal outer radii are found to have same moment of inertia about their respective diameters. Then which of the following statement(s) is/are true ?
asked
Dec 11, 2021
in
Kinematics
by
kritika
(
90.1k
points)
0
votes
3
answers
Q. The dimensional formula for acceleration, velocity and length are \(a \beta^{-2}, a \beta^{-1}\) and \(\alpha \gamma .\) What is the dimensional formula for the coefficient of friction ?
asked
Jan 3, 2022
in
Kinematics
by
deepak01
(
12.2k
points)
0
votes
3
answers
. A uniform conducting wire of length \(12 a\) and resistance \({ }^{\prime} R^{\prime}\) is wound up as a current carrying coil in the shape of, (i) an equilateral triangle of side ' \(a^{\prime}\). (ii) a square of side \(^{\prime} a^{\prime} .\) The magnetic dipole moments of the coil in each case respectively are:
asked
Dec 31, 2021
in
Kinematics
by
deepak01
(
12.2k
points)
0
votes
2
answers
The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is \(0.25 \Omega\). What will be the effective resistance if they are connected in series?
asked
Dec 31, 2021
in
Kinematics
by
deepak01
(
12.2k
points)
Welcome to Admisure, where you can ask questions and receive answers from other members of the community.
Categories
All categories
JEE
(1.3k)
Physics
(359)
Kinematics
(332)
Physics and measurements
(3)
Laws of motion
(2)
Work, energy and power
(1)
Rotational motion
(1)
Gravitation
(1)
Properties of solids and liquids
(2)
Thermodynamics
(1)
Kinetics theory of gases
(1)
Oscillations and waves
(1)
Electrostatics
(1)
Current electricity
(1)
Magnetic effects of
(3)
current and magnetism
(1)
Electromagnetic induction and alternating currents
(1)
Optics
(2)
Dual nature of matter and radiation
(1)
Atoms and nuclei
(1)
Electronic devices
(1)
Communications system
(1)
Experimental skills
(1)
Biology
(268)
Chemistry
(272)
Maths
(430)
Statistics
(1)
Test
(139)
Statistics
(288)
Environmental Science
(1.2k)
Biotechnology
(135)
Social Science
(399)
Commerce
(222)
Electronics
(459)
Computer
(125)
Artificial Intelligence (AI)
(232)
Information Technology
(70)
Programming
(113)
Political Science
(82)
Home Science
(334)
Psychology
(138)
Sociology
(293)
English
(339)
Hindi
(34)
Aptitude
(21)
Reasoning
(11)
GK
(41)
Olympiad
(7)
Skill Tips
(14)
CBSE
(364)
...
