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  An  electric current  is a stream of  charged particles , such as electrons or ions, moving through an  electrical conductor  or space. It is measured as the net rate of flow of  electric charge  past a  h ttps://drive.google.com/file/d/1Lmu7Ocs9v5eNsJcLkJae5y6xCp-lVPWB/view?usp=sharing    region. [1] : 2 [2] : 622  The moving particles are called  charge carriers , which may be one of several types of particles, depending on the conductor. In  electric circuits  the charge carriers are often  electrons  moving through a  wire . In semiconductors they can be electrons or  holes . In an  electrolyte  the charge carriers are  ions , while in  plasma , an ionized gas, electric current is formed by both electrons and ions Click Below Link And Type ''password'' to open file.👇👇 Current Electricity XII Notes(Click Here)

Magnetism (click to download) Magnetism is the force exerted by magnets when they attract or repel each other. Magnetism is caused by the motion of electric charges. Every substance is made up of tiny units called atoms. Each atom has electrons, particles that carry electric charges.   Magnetism is the phenomenon associated with magnetic fields, which arise from the motion of electric charges . This motion can take many forms. It can be an electric current in a conductor or charged particles moving through space, or it can be the motion of an electron in an atomic orbital.

CLICK ON THE LINKS TO DOWNLOAD NOTES.   CHEMICAL KINETiCS  (click here) Chemical kinetics, also known as reaction kinetics, is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions. It is to be contrasted with chemical thermodynamics, which deals with the direction in which a reaction occurs but in itself tells nothing about its rate. ALCOHOLS AND PHENOLS(click here) Class 12 Chemistry Chapter 11 Alcohols Phenols and Ethers NCERT Solutions will be most helpful to the students to solve their Homeworks and Assignments on time.    

  DOWNLOAD Quick Notes PDF BY CLICKING👇👇 HALOALKANES AND ARENES 12TH Notes PDF(click here) What are Haloalkanes and Haloarenes?   Haloalkanes and haloarenes are the hydrocarbons in which  one or more hydrogen atoms have been replaced with halogen atoms.  The primary difference between haloalkanes and haloarenes is that haloalkanes are derived from open-chain hydrocarbons (alkanes) whereas haloarenes are derived from aromatic hydrocarbons. Related Topics Nomenclature Of Haloalkanes and Haloarenes Nature of C-X bond Haloarenes: Nature of C-X bond Physical and Chemical properties of Haloalkanes S N 1 and S N 2 Substitution Reactions of Haloalkanes Optical Rotation Polyhalogen Compounds Overview of Haloalkanes and Haloarenes Haloalkanes are commonly referred to as alkyl halides whereas haloarenes are commonly referred to as aryl halides. These compounds can contain multiple halogen atoms, as illustrated below. Generally, the halogens are attached to sp 3  hybridized carbon atoms in these

  The p-block is on the right side of the standard periodic table and encompasses elements in groups 13 to 18. Their general electronic configuration is   n s 2   n p 1–6 .   Helium , though being the first element in group 18, is not included in the p-block. Each row of the table has a place for six p-elements except for   the first row   (which has none). This block is the only one having all three types of elements:  metals ,  nonmetals , and  metalloids . The p-block elements can be described on a group-by-group basis as: group 13, the  icosagens ;  14, the  crystallogens ;  15, the  pnictogens ;  16, the  chalcogens ;  17, the  halogens ;  and 18, the  helium group ,  composed of the  noble gases  (excluding helium) and  oganesson . Alternatively, the p-block can be described as containing  post-transition metals ;   metalloids;   reactive nonmetals  including the  halogens ; and  noble gases (excluding helium). The p-block elements are unified by the fact that their valence (oute

  SC English Language Previous Year Question Paper 2012 Solved for Class 12 Question 1. Write a composition (in approximately, 450-500 words) on any one of the following subjects: [30] (You are reminded that you will be rewarded for orderly and coherent presentation of mate-rial, use of appropriate style and general accuracy of spelling, punctuation and grammar). (a) ‘We are happier than our forefathers.’ Express your views on the given statement. (b) The sounds of laughter and loud voices attract your attention to a room in your house. The door is closed. Describe what you hear, as well as what you see, as you gently open the door. (c) “Today, in our global society, if young people go abroad to study or to seek jobs, they cannot be termed unpatriotic.” Write for or against this topic. (d) Diversity. (e) ‘Nowadays, there are careers that cater to every interest and aptitude.’ Discuss this in light of your own interests. (f) Write an original story with the following beginning: “I was n

CLICK   Students will be able to understand the rate of chemical reaction, Temperature dependence on the rate of reaction, Arrhenius equation and collision theory of chemical reaction. The chapter given here is to assist the students to understand the lesson in an easy and interesting way. The class 12 Chemistry Chapter 4 solutions are created by subject experts as per the latest   CBSE syllabus   (2020-21). Students must practise the solutions regularly to prepare effectively for their examinations. Class 12 NCERT Solutions for Chemical Kinetics Chemical Kinetics is a branch of chemistry. It deals with the rate of chemical reaction, the factors affecting it, the mechanism of the reaction. Based on the rate of reaction we have 3 types: Instantaneous reactions, Slow reactions and moderately slow reactions. Any chemical reaction that completes in less than 1ps time is called a fast reaction. Any chemical reaction happening for some minutes to some years is called a slow reaction. Interme