Page 3 - CHAPTER-1 (Electricity)

CHAPTER 1

ELECTRICITY

Compendium

A. Introduction

B. What is current and circuit?
(i) Electric Charge

(ii) Electric Current
(iii) The Direction of Electric Current

(iv) The Flow of Charges Inside a Wire
C. How do Charges flow?

(i) Electric Potential
(ii) Electric Potential Difference

D. Electric Circuit
(i) Circuit diagram

(ii) Symbols used in electric circuit
E. Ohm’s law
(i) V-I Graph

(ii) Resistance
F. Factors with which the Resistance of a Conductor varies

G. The Resistance of a System of resistors
(i) Series

Disadvantages of Series Combination

(ii) Parallel
Application of Parallel Combination

H. Heating Effect of Electric Current
(i) Joule’s Law

(ii) Practical Applications of Heating Effect of Current
(iii) Electric Power

I. Practice Yourself!
(i) A Piece of Cake!

(ii) Beat your Brains Out!
J. Solutions

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