Electrical (Basic Circuit Laws)
Ohm's Law
Ohm’s Law states that the potential difference between two points is directly proportional to the electric current.This means; potential difference V varies as electric current.
Where R is constant of proportionality for the given conductor at a Constant temperature and other physical parameters constant such as pressure etc describes as resistance. Resistance is the property of conductor which resists the flow of electric current through it.SI Unit of resistance is ohm. Ohm is denoted by Greek letter Ω.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.
Ohm’s Law explained in terms of Slope by changing the parameters of X-Y Axis that electric current through a resistor is inversely proportional to resistance.
This means electric current will decrease with increase in resistance and vice versa.
The graph of V (potential difference) versus I (electric current) is always a straight line.
