Barter System Initially, the world worked on the barter system. One person who has one thing in excess would find someone who needs this excess thing. And can provide him with something he wants in return. For example, if A …
Basic Accounting Equation Let’s start with the basic accounting equation Assets = Liabilities + Owner’s Equity Assets Owned or possessed by the business Used in generating revenue Liabilities Owed by the business to others Owner’s Equity The owner’s part in …
Topics: Thermionic Emission Parts of CRO Properties of Electrons Working of CRO Measurement of Voltage and Time Period CRO Circuit Components Resistor Color Coding Thermionic Emission: The process through which electrons are emitted from red-hot filament. Flow of electron …
Topics: Detection of Radiation through Electroscope Detection of Radiation through Cloud Chamber Detection of Radiation through GM Tube Basic Properties of Alpha, Beta and Gamma Radiation Ionizing Power Penetration Power Effect of electric and magnetic fields Radioactive Decay Half Life …
Topics: Waves Waves Sources of Waves Wave Motion Types of Waves Properties of Waves General Wave Equation Light Light Converging and Diverging Light Reflection of Light Refraction Total Internal Reflection Lens Linear Magnification Color Spectrum Wave: Wave is a …
Topics: Electromagnetism Fleming Left Hand Rule Effect of Magnet on a Current Carrying Conductor. Electromagnetic Induction Faraday’s Ring Experiment Magnetic Flux Faraday’s Solenoid Experiment Faraday’s Law Lenz’s Law Simple AC Generator Graph Factors affecting EMF Transformer Types of Transformers Working …
Topics: DC Circuits Common Symbols Series and parallel circuits Practical electricity Uses of electricity Dangers of electricity Measurement of Electricity Live, neutral and Earth Wires Safe use of Electricity earthing metal cases and double insulation DC Circuits: Common Symbols: Some …
Topics: Static Electricity Electrostatic Phenomenon Laws of Electrostatics Charge Electric Field Force Lines Charging and discharging through Induction Electroscope Electrical Conductors and Insulators Charging Uses and Hazard Current Electricity Current Electromotive force (EMF) Potential difference (PD) Graphs Designing Battery Resistance …
Topics: Laws of magnetism Poles Attraction and repulsion Magnetic properties of matter Magnetic, non-magnetic and magnetized materials Methods of magnetization Methods of demagnetization Permanent and temporary magnets Induced magnetism Magnetic Field Lines Plotting magnetic field lines Magnetic screening Uses in …
Topics: Electromagnetic Spectrum Properties of Electromagnetic waves Applications of electromagnetic waves Sound Sources of sound Formation of Sound Transmission and speed of Sound Detection of Sound Reflection of sound Pitch, Loudness and Timbre Ultrasound Electromagnetic Spectrum: The electromagnetic spectrum contains …