Question

define the ohm law for 10 class

Answer 1

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Ohm Law:- Ohm law states that the electric current flowing through the metallic wire is directly proportional to the VR.

Note:- (Important):- it's metallic wire Represent in at constant Temperature remain Same...

Note:-2)Ohms Law given by Popular Scientist
George Simon ohm in 1826.

Note:-3) 1 Ohms

1 ohm (Ω) of Resistance (R) is equal to the flow of 1 A of current through a conductor between two points having potential difference equal to 1 V.

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Answer 2

according to ohm's law ,"at contact temperature and all the conditions the potential difference across the conductor is directly proportional to the the current flowing through the conductor.
.i.e.,v is directly proportional to the I
V=IR
where ,I=current flowing through the conductor
v=potential difference across the conductor.
R=it is proportionality constant known as resistance.
limitation of ohm' law
1)it is only valid at constant temperature ,but temperature does not constant .as,
according to joules law of heating :
when current is flowing through a conductor then heat is produced.
H=vit