Last Updated On 01-06-2023 - By Jeesha Sara
A copper wire is stretched to make it 0.5% longer. The percentage change in its electrical resistance if its volume remains unchanged is:
|
a. |
2.5% |
b. |
0.5% |
|
c. |
1.0% |
d. |
2.0% |
Question ID - 50048 :- A copper wire is stretched to make it 0.5% longer. The percentage change in its electrical resistance if its volume remains unchanged is:
a.
2.5%
b.
0.5%
c.
1.0%
d.
2.0%
A copper wire is stretched to make it 0.5% longer. The percentage change in its electrical resistance if its volume remains unchanged is:
|
a. |
2.5% |
b. |
0.5% |
|
c. |
1.0% |
d. |
2.0% |
and volume (v) = Al.
=
=1%Next Question :
A parallel plate capacitor is made of two square plats of side ‘a’, separated by a distance d (d<<a). The lower triangular portion is filled with a dielectric of dielectric constant K, as show in the figure. Capacitance of this capacitor is:
|
a. |
|
b. |
|
|
c. |
|
d. |
|
ln K
View Topper Answer
We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 10th maths guide, 10th science guide, 10th tamil guide, 10th social guide, 10th english guide, science 10th guide and also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.
