Table of Contents
Charging of Insulators
Since charge cannot flow through insulators, neither conduction nor induction can be used to charge, insulators, so in order to charge an insulator friction is used. Whenever an insulator is rubbed against a body exchange of electrons takes place between the two. This results in appearance of equal and opposite charges on the insulator and the other body. Thus the insulator is charged.
For example rubbing of plastic with fur, silk with glass causes charging of these things.
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Frictional Electricity
Last modified on:3 years agoReading Time:10Minutes What is frictional electricity? Frictional electricity, also known as static electricity, is the type of electricity that results from the friction or rubbing of two objects together. When two objects are rubbed against each other, the friction between them can cause the transfer of electrons from one object to the…
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Alternating Current
Last modified on:3 years agoReading Time:24Minutes What is Alternating Current (A.C.)? Alternating Current (AC) is an electrical current that periodically reverses direction in a circuit. Unlike Direct Current (DC), which flows only in one direction, AC constantly changes its polarity and magnitude over time. Explanation: In an AC circuit, electrons periodically switch direction, moving back and…
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Terminal Velocity
Last modified on:3 years agoReading Time:13Minutes What is Terminal Velocity? Terminal velocity is the constant maximum speed reached by an object in free fall or falling through a fluid (such as air or water) when the force of air resistance or fluid resistance becomes equal in magnitude and opposite in direction to the force of gravity…
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Physics Formulas for Class 11 Chapter 3 Motion in a Straight Line
Last modified on:3 years agoReading Time:8MinutesHere we are providing important Physics Formulas for Class 11 Students. These formulas are useful for every student studying physics. Learning physics formulas is important for exams because they provide a compact and precise way of expressing the fundamental concepts and laws of physics. They allow you to quickly recall the…
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Case Study Questions for Class 12 Maths Chapter 9 Differential Equations
Last modified on:3 years agoReading Time:3MinutesCase Study Questions for Class 12 Maths Chapter 9 Differential Equations Read the following text and answer the following questions on the basis of the same: The rate of increase in the number of bacteria in a certain bacteria culture is proportional to the number present. Given that the number triples…
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Case Study Questions for Class 12 Maths Chapter 8 Applications of Integrals
Last modified on:3 years agoReading Time:3MinutesCase Study Questions for Class 12 Maths Chapter 8 Applications of Integrals Case Study Questions: Question 1: Read the following text and answer the following questions on the basis of the same: In the figure O (0, 0) is the centre of the circle. The line y = x meets the…
