The Blog
What is a Neutral point?
Suppose at a point, the horizontal component of the magnetic field due to a magnet is equal and opposite to…
What is Toroid? Explain it.
If a solenoid is bent in a circular shape and the ends are joined, we get a toroid. Alternatively, one…
What is Solenoid? Explain it.
A solenoid is a wire wound closely in the form of a helix. The wire is coated with an insulating…
Explanation of Seebeck, Peltier and Thomson effects
The density of free electrons is different in different metals. When two different metals arejoined to form a junction, the…
What is thermal conduction? Explain it.
If one end of a metal rod is placed in a stove, the temperature of the other end gradually increases.…
Explain Derivation of Stoke’s Law
Ever wondered why raindrops falling from great heights don't hurt us? Stoke's law provides the answer. In this article, we'll…
The Electric Field Inside A Conductor
Consider a conducting plate placed in a region. Initially, there is no electric field and the conduction electrons are almost…
What are Conductors, Insulators And Semiconductors?
Any piece of matter of moderate size contains millions and millions of atoms or molecules. Each atom contains a positively…
What is the unit of a charge?
Charge is a basic property associated with the elementary particles and its definition is as difficult as the definition of…
What is Blackbody Radiation? Explain it.
Consider two bodies of equal surface areas suspended in a room. One of the bodies has polished surface and the…