Class 12th Physics-Electric Charges and Fields – Properties of Charges – like and Unlike part-4.<\/p>\n
[fvplayer id=”747″]<\/p>\n
Electric charge is a fundamental property of matter responsible for electromagnetic interactions. Here, we discuss the like and unlike charges<\/strong> in detail.<\/p>\n There are two types<\/strong> of electric charges:<\/p>\n Like Charges Repel Each Other:<\/strong><\/p>\n Unlike Charges Attract Each Other:<\/strong><\/p>\n Example:<\/strong><\/p>\n The force between two point charges q\u2081<\/strong> and q\u2082<\/strong> is given by:<\/p>\n F=k\u22c5\u2223q1q2\u2223r2F = \\frac{k \\cdot |q\u2081 q\u2082|}{r^2}<\/span>F<\/span>=<\/span><\/span>r<\/span>2<\/span><\/span><\/span><\/span>k<\/span>\u22c5<\/span>\u2223q<\/span>1<\/span><\/span>\u200b<\/span><\/span>q<\/span>2<\/span><\/span>\u200b<\/span><\/span>\u2223<\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n where:<\/p>\n \u00a0If q\u2081 and q\u2082 have the same sign<\/strong>, F<\/strong> is positive<\/strong> (repulsion). Electrostatic Precipitators:<\/strong> Used in industries to remove dust particles using charge attraction. Would you like a numerical example<\/strong> based on this concept?<\/p>\n1. Types of Electric Charges<\/strong><\/h3>\n
\n
2. Like and Unlike Charges<\/strong><\/h3>\n
\n
\n
\n
3. Coulomb\u2019s Law (Mathematical Representation)<\/strong><\/h3>\n
\n
\u00a0If q\u2081 and q\u2082 have opposite signs<\/strong>, F<\/strong> is negative<\/strong> (attraction).<\/p>\n4. Applications of Like and Unlike Charges<\/strong><\/h3>\n
Photocopiers and Laser Printers:<\/strong> Use charge distribution to print images.
Lightning:<\/strong> A result of charge accumulation and attraction between clouds and the ground.<\/p>\nClass 12th Physics-Electric Charges and Fields – Properties of Charges – like and Unlike part-4.<\/a><\/h3>\n