Bozeman Science
Resistors and Capacitors
In this video Paul Andersen explains how resistors and capacitors affect circuits. The resistance of a resistor is affected by the resistivity of the material and the geometry of the resistor. The current through a resistor can be...
Bozeman Science
Kirchoff's Loop Rule
In this video Paul Andersen explains how Kirchoff's Loop Rule can be used to calculate the voltage of different components of a circuit. The sum voltage throughout an entire loop will sum to zero following the law of conservation of...
Bozeman Science
Electric Circuits
In this video Paul Andersen explains how electric circuits contain different elements which can be connected in series or in parallel. The following four elements are explained in detail; emf, resistor, capacitor, and switch. The voltage...
Curated Video
What is Electricity? - Energy Movement
What is electricity? How is it created, and what makes it useful? Physics - Electricity And Circuits - Learning Points. Electricity is a flow of charge. The flow of moving electrons is known as the electric current. Voltage is the amount...
Curated Video
Citrus Fruit Battery
We use lemons and strips of zinc and copper to make a battery. First, strips of copper and zinc are added to one lemon and they are connected across a voltmeter. This is repeated, this time with more lemons and metal plates, until a...
Curated Video
The Electric Current and Cells: Cells in a Parallel Circuit
By the end of this learning object, the student will be able to: Explore how to measure cells connected in parallel.
Curated Video
The Electric Current and Cells: Cells in a Series Circuit
By the end of this learning object, the student will be able to: Explore how to measure the electromotive force of cells connected in series.
Curated Video
GCSE Physics - Intro to circuits #14
In this video we cover: - Some components commonly used in circuit diagrams - What's meant by the term 'potential difference' - What's meant by the term 'Current' - What's meant by the term 'Resistance' - Which way around a circuit...
Curated Video
GCSE Physics - How Transformers Work #82
This video covers: - Brief summary of what transformers do (i.e. step up or step down the voltage) - How transformers work Exam board specific info: AQA - Separate/triple science and higher tier only IGCSE Edexcel - Separate/triple...
Curated Video
GCSE Physics - Static Electricity #24
This video covers: - That static charge builds up on non-conducting materials by the transfer of electrons - Static charge doesn't normally build up on conducting materials, but can occasionally - When static charge is discharged it can...
Curated Video
GCSE Physics - Series Circuits #17
This video covers: - The difference between series and parallel circuits - How current, voltage and resistance are shared in series circuits - Example calculations General info: - Suitable for all GCSE and IGCSE courses - Suitable for...
Curated Video
GCSE Physics - Generator Effect / Electromagnetic Induction #81
This video covers: - The idea that the movement of a wire within a magnetic field induces a potential difference, and that this may lead to a current if the circuit is complete - How we can increase the size of the current - What happens...
Curated Video
GCSE Physics - Parallel Circuits #18
This video covers: - What parallel circuits are - How potential difference, current and resistance are split in a parallel circuit. General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers -...
Curated Video
GCSE Physics - Transformer Calculations #83
This video covers: - Brief overview of how transformers work - How to calculate the voltage and current of the primary and secondary coils, using the number of turn on each coil - Example questions Exam board specific info: AQA -...
Curated Video
GCSE Physics - Plugs and Wires #22
This video covers: - What mains supply is - The roles and colours of the live, neutral and earth wires - Why plugs can give you an electric shock General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and...
Curated Video
GCSE Physics - Alternating (AC) and Direct Current (DC) #21
This video covers: - The difference between alternating current and direct current - Voltage-time graphs - Oscilloscopes General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for...
Curated Video
GCSE Physics - V = IR Equation & Current/Potential Difference Graphs #15
This video covers: - How to use the V=IR equation - Current/Potential Difference graphs for wires, resistors, filament lamps and diodes General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers -...
Flipping Physics
Electric Power
In this video, we learn about and derive equations for electric power using Ohm's law. We explore the relationship between electric power, electric potential difference, electric current, and resistance. We also discuss the unit of...
Flipping Physics
Resistance and Ohm's Law
In this video, the relationship between current density, conductivity, and electric field is discussed, with a focus on Ohm's law and resistivity. The video also covers the differences between resistance and resistivity. The practical...
Curated Video
Ground Neutral and Hot wires explained - electrical engineering grounding ground fault
Ground neutral and hot wires explained. In this video we look at the difference and purpose of the ground wire, the hot wire and the neutral wire in a north american residential electrical system. We look at ground faults, GFCI, current,...
Curated Video
AC Voltage Calculation - Vrms Vmax Frequency
Learn how AC voltage varies with AC since wave and how to calculate the Vrms root mean squared, vmax, peak voltage, the frequency and voltage of different countries.
Curated Video
How Batteries Work - Battery electricity working principle
How does a battery work, learn from the basics where we use and battery and how batteries work. With thanks to Squarespace for sponsoring this video.
Curated Video
Testing Batteries With a Multimeter - AA Battery Test
How to test a battery. Learn how to test a battery. How to use a multimeter to test a battery. What happens to the battery voltage under load. How to tell if the battery needs replacing.
Curated Video
120V 240V Electricity explained - Split phase 3 wire electrician
How 120V / 240V electricity is distributed from the power station and to your property. We look at how it is connected to power domestic appliances as well as the main components such as the electricity meter, main service panel, main...