Properties of Electric charge
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Topics covered in this Electrostatics (Class 12) lecture by Amit Bijarnia sir (ABJ sir )- IIT Delhi with Time Stamp:-
00:00 - 00:59 Introduction: Importance of the chapter electrostatics, level of the chapter wrt JEE mains & Advance, and weightage of chapter
00:59 - 03:18 Electrostatics Introduction: Study of properties of charge in rest. In subsequent chapters like Current electricity & magnetic field, we will study the properties of charge in motion.
03:19 - 05:45 What is the charge? : ABJ sir explains that a charge is a property of a particle to produce or feel electric and magnetic effects in the surrounding region.
05:45 - 07:26 Unit & dimension of the charge
07:45 - 10:41 Properties of charge: Charge is a scalar quantity. It is of two types - Positive & Negative. Protons & Electrons are the best examples of positive and negative charge, respectively.
11:08 - 14:15 Neutral, Negative charge & Positive charge: Neutral object means that there are equal numbers of positive and negative charges in that object, so there is no effect of charges. A positively charged object implies that the number of positive charges is more than the number of negative charges. A negatively charged object means that the number of negative charges is more than the number of positive charges.
14:25 - 18:30 Charge is Quantized: Electron transfer will always be in the Whole number like one two three or more. Transfer of half electron charge is not possible.
18:35 - 20:05 Force is attractive or repulsive?: Nature of force depends upon the nature of charge whether they are of the same or opposite sign.
20:05 - 22:02 Charge is conservative: Charge can neither be created nor destroyed, only electron transfer is possible.
22:25 - 27:32 Important points about charge: Charge at rest can create and experience only Electric Effect. Charge moving with constant velocity will create and experience Electric as well as magnetic Effects. Charge moving with variable velocity will radiate some electromagnetic waves as well as create and experience magnetic and electric effect.
This is the first lecture of Electrostatics class 12 for JEE Mains & Advanced. There are total 19 lectures in one shot for electrostatics class 12 , in which ABJ sir is covering all topics
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