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Electric Generators & Counter EMF: Principles Explained

Physics: Master Core Concepts & Problem Solving

Scalars, Vectors and Motion

Scalars, vectors, and one dimensional motion

Vector operations in one dimension

Vector operations in two dimensions

Vector components

Solving two dimensional vector problems

Relative velocity

Kinematics in One Dimension

Kinematic equations

Define: Distance VS. displacement, speed VS. velocity, acceleration position, velocity, acceleration - time graphs

Forces and Newton's Laws

Newton's first law of motion

Newton's second law of motion

Multiple forces acting on an object

Newton's third law of motion

Two dimensional forces

Friction: Static and kinetic

Tension and pulley problems

Work and Energy

Conservation of energy

Work and energy

Power and efficiency

Momentum

Momentum and motion

Momentum and impulse

Conservation of momentum in one dimension

Conservation of momentum in two dimensions

Elastic and inelastic collisions

Equilibrium

Translational equilibrium

Rotational equilibrium

Equilibrium problems

Circular Motion

Horizontal circular motion

Vertical circular motion

Gravitation

Gravitation, orbit, escape velocity

Electrostatics

Electric force

Electric field

Electric potential and electric potential energy

Kinematics in Two Dimensions

Projectile motion

Light

Fundamentals of light    

Light and matter

Reflection of light

Refraction of light and Snell's Law

Application of reflected and refracted light

Diffraction and interference of light  

Application of diffraction

Electric Circuits

Voltage

Current

Resistance

Ohm’s law

Voltage divider method

EMF and terminal voltage

Power, energy and efficiency

Circuitry problem solving

Magnetism

Magnets and magnetic fields 

Electric currents produce magnetic fields  

Force on electric charge moving in a magnetic field 

Magnetic field due to a long straight wire & force between two parallel wires

Solenoids & electromagnets

Electromagnetic Induction

Induced EMF and Lenz’s law  

Faraday’s law

Induced EMF in a moving conductor 

Electric generators & counter EMF (Back EMF)  

Transformers and power transmission  

Waves

Introduction to waves  

Mechanical waves 

Wave behavior at a boundary

Superposition of waves 

Waves in two dimensions

Sound waves

Quantum Theory

Waves behave like particles 

Special Relativity

Postulate of the special theory of relativity, time dilation and twin paradox 

Length contraction & relativistic momentum, mass and energy

Simple Harmonic Motion (SHM)

Vibration and energy 

The periodic nature of SHM and simple pendulum 

Rotational Motion

Rotational Vs. translational kinematics

Torque and rotational inertia 

Rotational kinetic energy and angular momentum  

phys

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Intro

Electric generators & counter EMF (Back EMF)