Metre bridge is an instrument that works on the principle of Wheatstone’s bridge. Metre bridge is used to find the unknown resistance. The metre... View Article
An electric field is a force per unit charge and an electric potential is an energy per unit charge. Can electric potential be zero when the... View Article
Modulation is the process used to increase the reach of the signal. There are two signals involved in the modulation process. The input signal... View Article
What is diffraction and its types?. Diffraction of light is the phenomenon of bending of light around the corners of the small obstacles and... View Article
Why is the speed of sound constant?. No, the speed of sound is not constant. The speed varies in solids, liquids and gases. The speed of sound is... View Article
Why are dielectrics used in capacitors?. The positive charges on one plate of the capacitor and the negative charges on the other attract each... View Article
Why logic gates are used?. Logic gates are used in computers to transform the 1s and the 0s from the input wires. 0s and 1s are not actual... View Article
When the north pole of a magnet is brought closer to the south pole of another magnet, there is an attractive force that brings the magnets... View Article
The electrons are negatively charged and the nucleus of the atom is positively charged. So these electrons in the atoms are bound to the nucleus,... View Article
Why is water a transverse wave?. On disturbing the surface of the water, waves spread on the surface of the water. Water waves are an example of... View Article
Are all transverse waves polarized?. All transverse waves are not polarised. A transverse wave vibrating in more than one direction is called... View Article
When the magnets attract or repel each other they exert a force on each other. This property of the magnets is called magnetism. So, What is the... View Article
The capacitance of the capacitor is given by the ratio of the magnitude of the charge on either conductor to the potential difference between the... View Article
What determines binding energy?. We can determine the Binding energy of a nucleus from its rest mass. Consider the nucleus of an atom of atomic... View Article
Why does breakdown occur in reverse bias?. When a PN junction is reverse biased, meaning the p-side of the diode is connected to the negative... View Article
Government and other important schemes for the marginalised and economically weaker sections of society are important topics for the IAS exam. In... View Article
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 30th November 2020. Important news and views to... View Article
30 Nov 2020 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS 1. China nod for downstream dam on... View Article
November 29th, 2020 PIB:- Download PDF Here 1. ARTPARK What is ARTPARK? ARTPARK (AI & Robotics Technology Park) is a joint initiative of... View Article
The South Asian Free Trade Area (SAFTA) is a free trade agreement reached between the members of the South Asian Association of Regional... View Article
