CBSE Class 10 Answered
a potential difference of 10 volt is needed to make a current of 0.02 impair for flow through a wire. what potential difference is needed to make a current of 250 mili ampere flows through the same wire
Asked by kritikabrahma23 | 13 Apr, 2021, 07:22: PM
Expert Answer
Initially,
I= 0.02 A
V = 10 V
By ohm's law,
V =IR
10 = 0.02 x R
R = 10/0.02 = 500 Ω
Now,
If I = 250 mA = 250 x 10-3 A
R = 500 Ω
then, V = IR
V = 250 x 10-3 x 500
Thus, V = 125 V
Answered by Shiwani Sawant | 14 Apr, 2021, 12:36: PM
Application Videos
-
Resistivity
This video explains the relation betweeen the resistance and length of wire -
Relationship between resistivity and resistance ...
This video explains the relation betweeen the resistivity and length of wir... -
Resistivity of materials
This video explains the assertion reason question based on the concept o...
-
Resistivities and resistances
This video explains the case study based question covering the concept o...
-
Application of materials with different resistivities
This video explains the case study based question covering the concept o...
CBSE 10 - Physics
Asked by prassanna.j | 03 Sep, 2023, 12:13: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by sr558079 | 27 May, 2022, 01:40: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by alka08156 | 17 Jul, 2021, 07:27: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by rameshsanjaay3 | 08 Jun, 2021, 04:07: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by praveengupta2919.9 | 31 May, 2021, 02:53: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by harjot.arshleen | 21 May, 2021, 06:48: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by bobyison | 02 May, 2021, 06:35: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by kritikabrahma23 | 13 Apr, 2021, 07:22: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by swatipuspapatel | 08 Apr, 2021, 08:02: PM
ANSWERED BY EXPERT
