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Advanced Physics 1
Gain better insight into electrical systems, Faraday's law of magnetic induction, the nature of sound, and more!
Description
An electric system consists of all of the elements needed to distribute electrical power. This course will first introduce you to current, charge, and voltage. You will study how electrons from a voltage or current flow on circuits and how capacitors store an electrical charge. You will also study the three types of transducers and how they convert energy from one form to another. The course will then discuss the two types of current, the properties of magnets, and Faraday's law of magnetic induction.
You will then explore sound and study electromagnetic waves and mechanical waves. You will study the wave equation which is the mathematical relationship between the speed of a wave, its wavelength, and frequency. Next, you will learn about sound diffraction, which is the bending of sound as it travels through an aperture or past an obstacle. Finally, you will study the intensity of sound and speed of sound and learn that sound waves travel fastest through solids.
Physics can be a difficult subject to study, and it's quite likely that there have been days when you weren't really listening to your professor teach in class. This course will stitch together the missing pieces and help you understand the main concepts of physics at your own pace and time. And with so much to learn, from the nature of sound, magnetic and standing waves, to the speed of sound and its importance, why not check out the course today and start getting ahead, for free.
Modules
Capacitors
Circuits
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The series circuit
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Parallel circuits
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Parallel circuits: worked example 1
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Parallel circuits: worked example 2
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AC circuits
Converting AC to DC
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Converting AC to DC: half-wave rectification
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Converting AC electricity into DC electricity: smoothing
Electric systems, circuits
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Calculations with series circuits
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Series circuit: worked example
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Calculations with parallel circuits
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Parallel circuit: worked example
Exploring sound
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Introduction to Sound
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Wave nature of sound
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Categories of waves
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Transverse verses Longitudinal waves
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Sound is a longitudinal wave
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Creating sound waves
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Representing sound waves
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Period, frequency and pitch
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Representing sound waves with displacement graphs
Introduction to electric systems
Magnets and magnetism
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Magnets and magnetic fields
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Magnetic fields
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Magnetic field of the earth
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Currents and magnetism
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Moving charges in magnetic fields
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Forces on current-carrying wires
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Electric motors
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The DC motor and the split-ring commutator
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AC motors
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Electromagnetic induction
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Generators
Sound diffraction
Sound - Standing waves
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Standing waves
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Standing waves in strings
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Standing waves in air columns
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Open-end air columns
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Closed-end pipes
Intensity of sound
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Amplitude, loudness and intensity
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Intensity versus distance from a source
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Intensity and the decibel scale
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The response of the ear to different frequencies
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Acoustic power
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Diffraction
Speed of sound
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The speed of sound
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Worked examples: the speed of sound
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Example of the speed of sound
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Activity - solid sound-carriers
The wave equation
Transducers
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Transducers: light-dependent resistors, LDRs
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Transducers: worked examples
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Transducers: thermistors
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Tranducers: light-emitting diodes, LEDs
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Worked example: LEDs
Assessment
Learning Outcomes
After completing this course you will be able to: - Identify the purpose of current, charge, voltage, resistance and power; - Identify different types of circuits; - Make calculations with series and parallel circuits, and to convert AC to DC; - and use capacitors, transducers, magnets, sound and wave equations, sound diffraction and much more.
Certification
All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire an official Certificate, which is a great way to share your achievement with the world. Your Alison Certificate is:
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An incentive for you to continue empowering yourself through lifelong learning
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