CBSE Class 12 Physics Online Notes-Current Electricity Takshilalearning offer animated courses with live classes as per the CBSE syllabus. Our main objective is to provide quality and result oriented education as well as guidance to the students’ perusing various courses, in order to achieve their goals. Class 12 Physics : The flow of electric charge through an electric called an electric current. Electric current is basically caused by the flow of electrons or ions. It is denoted by I and its SI unit is ampere. Basically, we can say an electric Current is flow of charge in coulomb per second through any closed circuit. Thus, we have I=Q/T, where Q is the amount of charge flowing through a circuit in time period T. Ammeter is the device used to measure electric current. Electric current is a scalar quantity though it has magnitude as well as the direction it does not follow the vector law of addition that’s why it is considered as the scalar. OHMS LAW : According to OHM’s
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