Isaac physics a project designed to offer support and activities in physics problem solving to teachers and students from gcse level through to university. Free oscilloscopes books download ebooks online textbooks. A quick video looking at how to read oscilloscopes and among other things how to find frequency from the oscilloscope trace. Gcse additional science physics foundation tier unit physics p2 friday 17 june 2016 morning time allowed. They first adjust the signal generator so that sound is emitted from the loudspeaker. Because this is a twochannel scope there are two identical sets of vertical controls, one for each trace. Aqa alevel physics electricity show 10 more do exam boards have to test every part of a specification. Phy 124 the oscilloscope stony brook physics laboratory.
Gcse physics specification mppemock papers, past papers. The diagram shows the trace produced on the oscilloscope screen. The basic procedure for testing an electronic circuit with an oscilloscope is to attach the ground connector of the scopes test lead to a ground point in the circuit, and then touch the tip of the probe to the point in the circuit that you want to test. Edexcel international gcse physics student book sample chapter.
Aqa gcse biology student book 97814718539 early 2016. Oscilloscopes and sound sound gcse physics single science. Oscilloscopes the two controls on an oscilloscope we are interested in are. Additional science ph2fp unit physics p2 physics unit physics p2 thursday 23 may 20 9. Safety in the science lesson this book is a textbook, not a laboratory or practical manual. On page 77 of the aqa as physics book it says that figure 2 shows an oscilloscope with a waveform height of 5cmi count it more as 2. The diagrams show graphical representations of sound waves as seen on an oscilloscope screen. The water tank is 10 m long, the distance between the reflecting prisms is 17. Oct 03, 2017 this website and its content is subject to our terms and conditions. Determine the speed of sound in air using a 2beam oscilloscope, signal generator, speaker and microphone objective. Gcse additional sciencephysics question paper unit 02 physics june.
Experiment 7 ac voltages, frequency and the use of the oscilloscope objective. Figure 2 a second note, of different wavelength, was played on the keyboard. Show clearly how you work out your answer and give the unit. Physics challenge 2015 page of 14 the student uses the same detectors and the settings on the oscilloscope remain unchanged.
In todays fastpaced world, engineers need the best tools available to. The first figure or page number always refers to the gcse physics book. Xyzs of oscilloscopes pdf 64p this book provides a solid understanding of oscilloscope basics. Why choose an ocr gcse 91 in physics a gateway science 1. Users may need to adapt the risk assessment information to local circumstances. Electricity cathode ray oscilloscope alevel physics tutor. Xyzs of oscilloscopes the oscilloscope is an essential tool if you plan to design or repair electronic equipment. When reading the oscilloscope you need to think about how to define where the origin 0,0 lies on the screen. If a microphone is connected to an oscilloscope, the sound received by the microphone is transferred electrically and the oscilloscope trace can be used to compare frequency pitch and amplitude loudness. Examine seismographic traces of recent earthquakes.
Using an oscilloscope to investigate a changing potential difference gcse keywords. Sensors can convert these forces into electrical signals that. If you have any improvements or comments please let me know so i. This is called direct current, or dc the current from the mains supply passes in one direction, then reverses and passes in the other direction. Gcse physics for certification june 2014 onwards version 1. Nov, 2011 students use the graphs to complete traces for loud, quiet, high and low sounds. Cross through any work you do not want to be marked. Gcse science physics aqa p2 ac dc and the national grid. The cathode ray oscilloscope consists of three main elements.
Aqa p2 electricity gcse physics 10 lesson plans and powerpoints. Course i laboratory practicals part ii uct physics department. Jul 16, 20 a quick video looking at how to read oscilloscopes and among other things how to find frequency from the oscilloscope trace. When connected to a microphone they can show the wave shapes of sounds. An oscilloscope is a machine that shows the wave shape of an electrical signal. Some introductory exercises for students in the advanced labs introduction so many of the experiments in the advanced labs make use of oscilloscopes and function generators that it is useful to learn their general operation.
The oscilloscope controls are at the same settings for both traces. Time allowed 1 hour instructions use black ink or black ballpoint pen. After completing this experiment, you will be able to use the oscilloscope to measure unknown. Each horizontal division on the oscilloscope screen represents 0. The longitudinal sound waves are converted to transverse. Figure 1 figure 2 shows the trace produced by the sound wave on the cro. An oscilloscope is connected to an alternating current a. Measure waves using oscilloscopes to see analogue and digital signals.
Figure 2 shows the oscilloscope trace an alternating current a. Oscilloscopes enable scientists, engineers, technicians, educators and others to see events that change over time. To the psychology aa students a level aqa as physics book 6. P5 homework booklet 6473 use gcse physics book pages. This booklet will be the equivalent of 2 set homework tasks and will be handed in on the due date. Ac and dc electrical circuits, ac and dc gcse physics. Phys 112 the oscilloscope 3 the vertical system accepts input signals and develops appropriate deflection voltages for the crt. Additional science ph2fp f gcse and alevel revision. Primer xyzs of oscilloscopes university of colorado boulder. Energy, vibrating particles, and other invisible forces are everywhere in our physical universe. Learn about the meanings of electrical symbols and properties of electrical circuits with bbc bitesize gcse physics. The following student books have been selected for aqas official approval process. These are some notes and pictures ive put together and collected on using an oscilloscope for as level physics. These diagrams show oscilloscope traces of three sounds.
Oscilloscope, trace, voltsperdivision, alternating current, ac, direct current, dc course overview. Introduction to oscilloscopes lab experiment overview of an oscilloscope introduction an oscilloscope is an electronic test instrument that displays electrical signals graphically, usually as a voltage vertical or y axis versus time horizontal or x axis as shown in figure 1. An oscilloscope can be used to determine the frequency of a sound wave. Experiment 7 ac voltages, frequency and the use of the. Jul 03, 2017 gcse science physics 91 dc and ac supply. The diagram shows the trace produced by an alternating current a. On the graphs youve drawn previously the origin has obviously been where your two axes intersect, but with the oscilloscope the position of a trace on the screen can be adjusted and the zero point of a particular variable needs to be defined. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1. Additional science physics gcse and alevel revision. Pearson edexcel international gcse 91 friday 14 june 2019.
If you fail to complete this booklet or you lose the booklet you will be expected to complete a 30minute. Copy an oscilloscope is a type of electronic test instrument that graphically displays varying signal voltages. Input connected to ground zero volts and timebase switched off, oscilloscope trace is a spot in the middle of the screen. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Oscilloscopes are indispensable tools for anyone designing, manufacturing or repairing electronic equipment.
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