First, Let's Revise What Is Heating Effect Of Electric Current |What Are The Applications?|Why Tungsten Metal Is Used For Making Bulb Filaments?|How Fuse Helps In Preventing Fire And Damage Of Appliances?|Practice Exercise |Important Points |Summary

What Are Law Of Motion?|Newton's First Law Of Motion|Practice Exercise|Important Point|Summary

What Is Heating Effect Of Electric Current?|Solve problems |Practice Exercise |Important Points |Summary

What Is Gravity? Let's See Some Examples|Universal Law Of Gravitation|Units Of G|Practice Exercise|Important Points|Summary

Let's Review what we want learnt |Newton's Second Law of Motion|SI Unit |Lets Solve Some Questions |Practice Exercise |Important Points |Summary

Revision|Electrical Energy |The Unit Of Electrical Energy Is Watt-Hour (WH)|Relation Between Kilowatt-Hour And Joule|How To Calculate The Cost Of Electrical Energy Consumed|Practice Exercise|Important Points|Summary

What Are Domestic Circuits?|Are There Any Drawbacks?|What Is Alternating Current |Disadvantages Of Series Circuit In Domestic Wiring |Types Of Wiring |Advantages Of Parallel Circuits In Domestic Wiring |Practice Exercise |Important Points |Summary

What Is Electric Power?|Unit Of Power|Formula For Calculating Electric Power|Appliances And Their Voltage And Power|Exercise Questions|Important Points|Summary

What Is The Newton Third Law Of Motion?|What Happen When You Press This Spring?|Spring Action?|How Do We Walk?|How Do We Swim?|Why The Gun Recoils?|Flying Of Jets And Airplanes|The Case Of Rowing A Boat |The Case Of Horse Pulling A Cart |The Case Of Hose Pipe |Practice Exercise |Important Points |Summary

Gravitational Constant (G)|What is The Value Of G ?|How Did We Find The Numerical Value Of G ?|Question|Application Of Gravitational Force In Solar System|Kepler's First Law|Kepler's Second Law|Kepler's Third Law|Practice Question|Important Points|Summary

What is the nature of materials used to make the 'filament' of an electric bulb and the 'fuse wire' used in electric fuse ? Compare them.