vector field

Polarisation - Light is an electromagnetic wave with electric and magnetic field vectors varying sinusoidally, perpendicular to each other as well as perpendicular to the direction of propagation of wave of light. That is to say electromagnetic waves are transverse in nature. Th..

Lorentz Force - The force experienced by a charged particle moving in space where both electric and magnetic field exist is called lorentz force. The lorentz force is therefore the vector sum of force due to electric field and the force due to magnetic field...

It makes the study of such a wide variety of organisms easy. It projects before us a good picture of all life forms at a glance. It helps us understand the interrelationship among different groups of organisms. It serves as a base for the development of other biological sciences such as ..

The magnetic field B is a) Proportional to the current I. b) Inversely proportional to the distance d c) The field has the same value on a circle of radius 'a'. Hence the magnetic field around the wire is in form of concentric circles. d) When a 0, the value of magn..

Paramagnetic substance are attracted by a magnet very feebly. In a sample of a paramagnetic material, the atomic dipole moments initially are randomly oriented in space. When an external field is applied, the dipoles rotate into alignment with field as shown The vector..

Biot and Savart's Law - The Biot - Savart's law enables us to write the general results for the magnetic field due to an arbitrary current distribution or it is an experimental law predicted by Biot and Savart dealing with magnetic field strength at a point due to a small curren..

Let B y be the magnetic field at the centre of the coil Y due to the current I y flowing in it. If N y be the number of turns and r y the radius of the coil, then For an observer looking at the coil Y facing west, the current is flowing in the clockwise direction. So, the direction..

. Vehicle (vector) DNA is the DNA which carries the passenger DNA to the new host. It is usually the plasmid from bacterial or a bacteriophage. Various enzymes such as lyases, ligases, alkaline phosphates, reverse transcriptases and nucleases are used in the technology. The most widely us..

Potential due to a System of Charges - Potential at a point due to a system of charges is the sum of potentials due to individual charges Consider a system of charges q 1 , q 2 , q 3 , …q n with positive vectors r 1 , r 2 , r 3 ,…..r n relative to the origin P. The potential..

Potential Energy of a System of Charges - Consider two charges q 1 and q 2 with position vectors r 1 and r 2 respectively, relative to some origin. To calculate externally the work done in building this configuration, we have to consider the charges q 1 and q 2 initially at infinity and d..