Formidable Electric Current Formulas
Thus the formula for electric energy is given by.
Electric current formulas. The resistance of the metallic wire. Determine the magnitude of the current flowing through it. Electric Current Formula As mentioned above the rate of flow of charge through a conductor is called electric current.
An electric heater has a potential difference of 220 V and resistance is 70 Ω. Electric energy P t V I t I2 R t V2t R SI unit of electric energy is joule denoted by J where 1joule 1watt 1. 1 Ampere is the current in circuit when 1 coulomb of charge passes through a given point in one second.
Electricity Formulas are applied in calculating the unknown electrical parameters from the known in electric circuits. This current is related to the voltage and resistance of a circuit. Academic team of Entrancei prepared short notes and all important Physics formulas and bullet points of chapter Current Electricity class-12 Physics.
Electric Current is the rate of flow of electrons in a conductor. Electrons are minute particles that exist within the molecular structure of a substance. According to Ohms law the electric current formula.
A common unit of electric current is the ampere which is defined as a flow of one coulomb of charge per second or 62 10 18 electrons per second. The SI Unit of electric current is the Ampere. Sometimes these electrons are tightly held and the other times they are loosely held.
Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through one ohm of resistance. This electric current is related to the voltage and resistance of the circuit. Download the free Pdf sheet of formula booklet physics class 12 for IIT JEE NEET For chapter-Current Electricity.