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Flipping Physics
Electric Potential Difference from a Point Charge
New ReviewIn this lesson, we explore the electric potential difference between two locations in the electric field of a point charge — one of the most essential concepts in AP Physics and introductory electrostatics. Using a positive point charge...
Flipping Physics
Why Gravitational PE is Usually Negligible for Charges
New ReviewIn this lesson, we compare electric potential energy and gravitational potential energy for a proton moving between parallel plates in a uniform electric field, and we plug in realistic values to show just how small the gravitational...
Flipping Physics
Understanding Electric Field between Non-ideal Parallel Plates
New ReviewThis lesson explains the difference between the ideal electric field assumed in most physics problems and the real, nonideal electric field that forms between two finite, conducting parallel plates. Using clear illustrations, I break...
Flipping Physics
Small Changes That Improve Learning
New ReviewIn this Flipping Physics video, I share a simple teaching habit that helped me continually improve my physics assignments over nearly 25 years in the classroom. By updating labs and worksheets immediately after grading them, I kept track...
Flipping Physics
Electric Potential Difference in a Uniform Electric Field
New ReviewIn this video, we build directly on electric potential energy and electric potential to develop a clear, conceptual understanding of electric potential difference. Using parallel plates and a uniform electric field, you will see where...
Flipping Physics
Change in Electric Potential Energy in a Uniform Electric Field
New ReviewIn this lesson we derive the change in gravitational potential energy for an object moving in a uniform gravitational field and then use that result as a direct analogy to determine the change in electric potential energy for a charge...
Flipping Physics
Step-by-Step Physics Problem Solving
In this video, I walk you through my general suggestions for how to solve physics problems — the same step-by-step process I teach my students to help them succeed in AP Physics and beyond. We cover everything from setting up your...
Flipping Physics
Fixing My 25-Year Physics Mistake
After 25 years of teaching physics, I realized I had been wrong about when you can use the equation Work due to nonconservative forces = Change in mechanical energy. In this video, I break down my mistake, show the correct way to think...
Flipping Physics
Electric Potential Explained Using Gravity
Electric potential can feel abstract, but it doesn’t have to be! In this Flipping Physics lesson, Mr. P and the gang use gravitational potential energy to make sense of electric potential and electric potential energy. You’ll see how...
Flipping Physics
Equipotential Surfaces and Isolines
In this video, we explore equipotential surfaces and how they connect to electric potential and electric field lines. Using clear visuals and step-by-step reasoning, Mr. P helps you see how electric field lines are always perpendicular...
Flipping Physics
Still Learning Physics After 25 Years
Even after more than 25 years of teaching physics, I’m still learning new things—and sometimes realizing I was wrong. In this video, I talk about how I misunderstood a concept related to the work due to nonconservative forces and what...
Flipping Physics
Capacitor Series and Parallel Circuits
Good morning! Join us on Flipping Physics as we delve into the world of capacitance. In this episode, we derive essential equations for the equivalent capacitance of capacitors in both series and parallel configurations. Bo guides us...
Flipping Physics
Charge and Current vs. Time in an RC Circuit
Explore the dynamics of RC circuits in this informative lesson. Unveil the charge and current as functions of time within an RC circuit. We dive into the Kirchhoff’s Loop Rule and differential equations to derive key insights. Witness...
Flipping Physics
RC Circuit Basics
Good morning! In this episode of Flipping Physics, we explore the dynamic world of RC circuits—combining resistors and capacitors in electric circuits. Discover how electric potential differences, current, and charge on capacitor plates...
Flipping Physics
Ammeter and Voltmeter - Where Do They Go?
Good morning! Join us on Flipping Physics as we delve into the critical aspects of measuring current and electric potential difference using ammeters and voltmeters. Discover the correct placement of ammeters and why they belong in...
Flipping Physics
LC Circuit Equation Derivations
In this morning's lesson on LC circuits, we derive equations for charge, current, and energy as functions of time. Exploring the total potential energy in the circuit, we use the chain rule to find the second derivative of charge with...
Flipping Physics
Visualizing LC Circuits
Dive into the intricate world of LC circuits with our latest video! Watch as we break down the dynamic graphs and components of inductor-capacitor circuits, exploring charge, current, and energy equations. Our animation vividly...
Flipping Physics
Analogies Between LR Circuits and Falling Objects
Join us as we unravel the intricacies of LR circuits and explore their analogies to object motion. Bo's thought-provoking question sparks a discussion on the meaning of equations for the derivative of current as a function of time. Mr. P...
Flipping Physics
Time Constant - LR Circuit
Today we explore the intriguing concept of time constants in LR circuits. Building on our previous derivations, we unravel the significance of the time constant, expertly explained by Bobby. The time constant, represented as the ratio of...
Flipping Physics
LR Circuit Equation Derivations
Today, we're diving deep into LR circuits, deriving equations for current and its time rate of change. Closing the switch at t equals zero, we employ Kirchhoff’s Loop Rule, employing u-substitution for a smoother journey. Through...
Flipping Physics
LR Circuit Basics
In today's video, we delve into LR circuits, exploring the nuances of current dynamics as we close the switch. Bo and Bobby decipher the initial current behavior, emphasizing the inductor's role in opposing changes. Kirchhoff's Loop Rule...
Flipping Physics
Back emf (electromotive force)
In this episode, we focus on the change in magnetic flux and the emergence of back electromotive force (emf). Follow along as we dissect the side view of a current-carrying wire loop rotating in a magnetic field. Unravel the concept of...
Flipping Physics
Electric Motor Basics
In today's lesson, we delve into the fascinating world of electric motors. Visualize a rectangular conducting loop in a uniform magnetic field – the key to motor magic. As we explore the loop's rotation, we decipher induced magnetic...
Flipping Physics
Induced Forces on Current Carrying Loops
This Flipping Physics episode unravels the intricate dance between magnetic fields and induced currents in a loop. Learn the principles governing induced magnetic forces, using a practical example with a rectangular conducting loop....