Question

Explain ohm's law and its units and resistance and resiativity answer

Answer 1

Ohm's law states that the R in this relation is constant, independent of the current.

si unit :- ohm

resistance :- the ability not to be affected by something, especially adversely.

resistivity :- a measure of the resisting power of a specified material to the flow of an electric current.

Answer 2

Ohm’s law states that the voltage or potential difference between two points is directly proportional to thecurrent or electricity passing through the resistance, and inversely proportional to the resistance of the circuit. The formula for Ohm’s law is V=I/R. This relationship between current, voltage, and relationship was discovered by German scientist Georg Simon Ohm. 

Formula

Voltage= Current× Resistance

V= I×R

V= voltage, I= current and  R= resistance

The SI unit of resistance is ohms and is denoted by Ω

This law is one of the most basic laws of electricity. It helps to calculate the power, efficiency, current, voltage, and resistance of an element of an electrical circuit.

Ohm’s Law Definition

Most basic components of electricity are voltage, current, and resistance. Ohm’s law shows a simple relation between these three quantities. Ohm’s law states that the current through a conductor between two points is directly proportional to the voltage across the two points.