current-electricity Question 30
Question: Q. 5. The following table gives the length of three copper wires, their diameters, and the applied potential difference across their ends. Arrange the wires in increasing order according to the following :
(i) The magnitude of the electric field within them,
(ii) The drift speed of electrons through them, and
(iii) The current density within them.
R] [CBSE SQP 2017-18]
| Wire No. | Length | Diameter | Potential Difference |
|---|---|---|---|
| 1 | |||
| 2 | |||
| 3 |
Show Answer
Solution:
Ans. (i)
(ii)
[CBSE Marking Scheme 2017]
