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Linear Circuit Analysis: Key Formulas for Resistors, Capacitors, and More

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Essential Circuit Analysis Formulas ⚡ Essential Circuit Analysis Formulas⚡ 📌 Basic Electrical Formulas Category Formula Notes Ohm’s Law V = IR Relates voltage, current, and resistance Power Formula P = VI = I²R = V²/R Different power forms using Ohm’s law 🔥 Resistors & Capacitors Category Formula Notes Resistors in Series R eq = R 1 + R 2 + … Total resistance adds up Resistors in Parallel 1/R eq = 1/R 1 + 1/R 2 + … Reciprocal sum for parallel resistance Capacitors in Series 1/C eq = 1/C 1 + 1/C 2 + … Opposite of resistors Capacitors in Parallel C eq = C 1 + C 2 + … Direct sum for parallel capacitors ⚙️ Inductor Formulas Category Formula Notes Inductors in Series L eq = L 1 + L 2 + … Same as resistors in series Inductors in Parallel 1/L eq = 1/L 1 + 1/L 2 + … Same as resistors in parallel Energy Stored in Inductor W = (1/2) L i² Energy stored in a magnetic field RL Time Cons...
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C++ Arrays Explained: Syntax, Examples & Theory | Compiled By Bilal Ahmad Khan AKA Mr. BILRED | CppNotes

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Arrays in C++ – Easy Explanation with Examples Understanding Arrays in C++ – Easy Guide for Beginners By Bilal Ahmad Khan AKA Mr. BILRED Asking Positively! Have you ever wondered WHY SHOULD WE EVEN USE ARRAYS? Like, WHY? Look Arrays help programmers store and manage multiple values efficiently. This guide explains arrays in C++ with simple examples. 📌 What is an Array in C++? An array is a collection of similar data types stored in a single variable. Instead of creating multiple variables, an array lets us store multiple values in one place. In "mere walay alfaaz", Agar aap chaahty ho aap ziada saari values store karo, to kia phir har dafa variables define karty raho gy? NAHI Na! Phir isko solve karna he arrays k zariye! But first, understand its basic syntax Basic SYNTAX Of Arrays data_type array_name[size]; ✅ Example: int numbers[5] = {10, 20, 30, 40, 50}; cout 📌 Importance; Why Do We Use Arrays? 🔹 Saves Space: No need to create separat...
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Comparison of Key Electromagnetic & Newtonian Laws - Compiled By BILRED

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  Comparison of Key Electromagnetic & Newtonian Laws Law/Effect Formula/Equation Key Variables & Meaning What It Describes/Applies To Similarities/Differences Coulomb’s Law  (Electric Force) F = k q 1 q 2 r 2 -  F : Electric force (N) -  k : Coulomb constant  9 × 10 9  Nm²/C² -  q 1 , q 2 : Charges (C) -  r : Distance (m) Describes the force between two point charges. Similar to Newton’s gravitational law but for electrostatics. Inverse Square Law:  Like gravity but for electric charges. Electric Field ( E ) E = F q = k Q r 2 -  E : Electric field (N/C) -  Q : Source charge (C) -  r : Distance (m) Defines the field created by a charge and the force it exerts on another charge. Like gravitational field ( g ) , but for electric forces. Gauss’s Law (Electric Fields) ∮ E ⋅ d A = Q enc ε 0 -  E : Electric field (N/C) -  d A : Surface area element (m²) -  Q enc : Enclosed charge (C) Relates the total electric f...
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