Question

woorrect Answer
Question. 29
• A cell consisting of electrodet 2.2 cm
apart having an area of cross section B/8
cm2. What is the cell copistant of a del
Answer
A.
0.17 cm.
B.
0.579 cm-9
0.723 cm-
D.
0.com​

Answer 1

Answer:

sorry dear I don't know this

Answer 2

Answer:

There are 8.4×10

22

free electrons per cm

3

in copper, the current in the wire is 0.21 A (e=1.6×10

−19

C). Then the drifts velocity of electrons in a copper wire of 1mm

2