Colour code for carbon resistor – In this topic we will discuss about Colour code for carbon resistor .In which we will know that how can we find the value of carbon resistor . Before to know about this topic Colour code for carbon resistor students must have to learn about resistance and resistivity . […]
Thermistors and superconductor – what do you mean by the term Thermistor and superconductor ? How a Thermistors is different from ordinary resistance and what are the applications of Thermistors and super-conductors? Before to learn about this topic Thermistors and superconductor , students must have to learn about resistance and resistivity; To learn about resistance […]
Dimensions and uses of dimensions Before to read this topic dimensions, students must know fundamental units . To know or read the topic units click here ( Units and measurement);- In this topic we will discuss about what is Dimensions and uses of dimensions ?Also what are the limitations of dimensions ? This topic is […]
Electrical resistance and resistivity In this topic we will discuss about what is Electrical resistance and resistivity (specific resistance). On what factors Electrical resistance and resistivity depends ? And some plot of resistivity with temperature. Electrical resistance – It is the property of a conductor to resist the flow of current through it or electrical […]
Ohm’s law proof and limitations of Ohm’s law in this topic we will discuss about Ohm’s law proof and limitation of Ohm’s law , in which we will prove Ohm’s law with the help of drift velocity , and graph [V(potential) Vs I(current) ] for non-Ohmic resistance . Ohm’s law and deduction of Ohm’s law […]
Drift velocity and its relation with current – In this topic we will discuss about drift velocity and how it is related with electric current flowing through a conductor. Drift velocity and its relation with current – As we know a metal contains large numbers of free electrons . At room temperature these electrons moves […]
Electromotive force (EMF) of the cell. In this topic we will discuss about what is Electromotive force (EMF) of the cell and it is different from potential difference . As we know electric current flows through a complete closed circuit ,when there is an source of external force which can bring the ions from low […]
Practical chemistry for class 8/9/10th – Here physics classes by Nayan jha provide Practical chemistry for class 8/9/10th whish is prepared by Rahul jha [Currently working with the St. Joseph School , Bhagalpur ( Bihar) , He is also the co-founder of QT classes bhagalpur ] . What is electric charge ? and what are […]
Complete notes of electrostatics – Here complete notes on electrostatics is provided by physics classes by Nayan jha . This notes are based on CBSE Delhi syllabus . This is the combination of all the topics already provided on this website , which can be studied by the students one by one ( individually […]
Capacitance of parallel plate capacitor with conducting and dielectric slab. Capacitance of a parallel plate capacitor with a conducting slab – Let A is the area of plates and d is the separation between them is d then capacitance C0= ϵ0A/d . Let Q is the charge on the plates of the capacitor. When a […]