CBSE Class 12-science Answered
a current of 1.0 A exists in a copper wire of cross section 1.0 mmsquare. assuming one free electron per atom calculate drift speed of free electrons in wire . the density of copper is 9000 kg / m
Asked by haroonrashidgkp | 20 May, 2018, 05:57: PM
Expert Answer
Current I related to drift velocity vd is given by
I = n×e×A×|vd|
where n is the number density of atoms , e is the charge on electron, A is area of cross section.
gram atomic weight of Copper atom 63.5 ; number density of atoms is given by
Answered by Thiyagarajan K | 21 May, 2018, 11:00: AM
Concept Videos
CBSE 12-science - Physics
Asked by kulhariabhijeet | 21 Apr, 2024, 02:39: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by mohapatraswetalina88 | 21 Apr, 2024, 12:18: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by aishaisha091098 | 19 Apr, 2024, 04:54: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by dasrituparna1999 | 13 Apr, 2024, 06:56: AM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by dasrituparna1999 | 12 Apr, 2024, 09:26: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by mishrigupta19319 | 08 Apr, 2024, 06:28: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by madhav9119887644 | 07 Apr, 2024, 08:10: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by mishrigupta19319 | 07 Apr, 2024, 11:23: AM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by adityagalar2007 | 06 Apr, 2024, 01:06: PM
ANSWERED BY EXPERT