Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

What is the direction of drift current and diffusion current? What is the reasoning behind it? Is the direction of current is the direction of flow of electrons or holes?
Asked by Anirudh | 14 Aug, 2017, 12:20: PM
answered-by-expert Expert Answer
In a p-n junction, due to the concentration difference, holes try to diffuse from the p-side to n-side. This diffusion results in an electric current from the p-side to the n-side. This current is known as diffusion current.Now since the electron-hole pairs are continuously created in the depletion region, there is a regular flow of electrons from towards the n-side and of holes towards the p-side. This current is known as the drift current. Hence, diffusion current and drift current are in opposite directions.
Answered by Yashvanti Jain | 14 Aug, 2017, 06:21: PM
CBSE 12-science - Physics
Asked by abhitailor158 | 06 Mar, 2019, 05:56: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by bjayanta | 05 Mar, 2019, 02:35: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by shariefy0007 | 22 Feb, 2019, 10:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by rohitraman1115 | 21 Nov, 2018, 04:57: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 19 Jun, 2014, 01:54: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 19 Jun, 2014, 02:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 19 Jun, 2014, 02:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×