Current Electricity
Physics Solutions from Chapter -1 - Current Electricity
This chapter sheds light on the current electricity. It discusses the sources of direct current, electric circuits, and detection of current through diagrams. It also describes Ohm’s law, electrical resistance, and conductors and insulators.
Practice Other Topics from Current Electricity
Through this topic, we will explore the mechanism of the flow of current in conductors. It introduces the concept of drift speed to this mechanism. Moreover, we will go through some examples related to this mechanism.
This topic explains the electric energy and electric power. It explains this concept through a simple circuit and Ohm's law.
In this topic, we will learn that in Ohm’s law the current flowing through a conductor is directly proportional to the potential difference at its ends. The constant of proportionality is called resistance. Variable resistance is used to regulate current without changing voltage.
In this topic, we will discuss the resistance, resistivity, and conductivity, the three fundamental concepts of physics in detail. In addition, we will get information about the resistivity of perfect conductors.
This topic will show the parallel and series combination of resistors in a circuit. It also shows how combination will affect the flow of current in a circuit.
This topic highlights the functions of carbon resistors. It explains the colour code for carbon resistors. In addition, it explains which digit in a carbon code represents the resistance value.
In this topic, we will study about cells, EMF, potential difference, and internal resistance. We will learn how a cell generates electricity from the chemical energy. We will also know the properties of internal resistance.
In this topic, we will learn the structure and working of a combination of cells. We will also learn about the arrangement of cells in parallel and series with the help of some examples and diagrams.
This topic defines Kirchoff's law. It further explains its application to calculate current and voltage in a circuit.
This topic explains the Wheatstone bridge as an application of Kirchhoff’s rules with an example. It also discusses the balance condition for the galvanometer with figures.
In this topic, we will learn the meter bridge and how to connect it with various units. It also explains the roles of resistance and galvanometer in the circuit with examples.
In this topic, we are going to learn about the potentiometer, its structure and its advantages. It also discusses the use of measuring internal resistance with examples.
