This is possible because an electric field is set up in the circuit as soon as it is closed, almost with speed of light. This causes a local... View Article
Answer: Current density J is a vector quantity that is defined as the current flowing per unit area measured in a direction normal to the... View Article
Mobility m is the magnitude of drift velocity per unit electric field. m = |Vd |/E = qt/ m The S.I unit of mobility is m2/Vs. Mobility is a... View Article
Electric current flowing through a conductor I = nAqVd where A = cross-sectional area of the conductor, n= number of conduction electrons per... View Article
Generally, charged particles like electrons in a conductor move with velocities in random directions such that the average velocity of the... View Article
The origin of magnetic ordering is the quantum mechanical exchange effect. The physics behinds the exchange effect is the coulombic interactions... View Article
Curie – Weiss theory which explains the qualitative explanation of the ferromagnetism. We also call it as molecular field theory. In this... View Article
Answer: The Curie-Weiss law is one of the important laws in electromagnetism that says that the magnetic susceptibility is grater than the Curie... View Article
Pierre curie experimentally found that magnetization of a paramagnetic sample is directly proportional to the magnitude of applied external... View Article
The half-life for zero-order and second-order reactions, half-life changes based on the concentration of the reactant. By definition, the... View Article
To understand how the rate of the reaction will change, according to the changes in the concentration of the reactants and the products, the... View Article
Here are some of the examples of the second-order chemical reactions which are not balanced because some of the following reactions are... View Article
The Reaction rate is defined as how fast the reactants are consumed in the reaction is called its reaction rate. Integration of the second-order... View Article
A second-order reaction is a type of chemical reaction that depends on the concentration of two first-order reactants or one second-order... View Article
Along with ionic charge, valency is another factor necessary to explain the coagulating power of a ions greate is valency greater is coagulate... View Article
Hardy Schulze rule states that the ion that causes a soluble to coagulate is opposite in sign to the electric charge of the colloidal particle;... View Article
Small amount of electrolyte if required for the formation of sols by peptization while a large amount of electrolyte cause coagulate caused by... View Article
During electrophoresis, ions accumulate at their opposite electric plate in large amounts such that, if the process is Bolonges for a long time... View Article