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. They first adjust the signal generator so that sound is emitted from the loudspeaker. 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. The diagram shows the traces produced on an oscilloscope when it is connected. Phy 124 the oscilloscope stony brook physics laboratory. To the psychology aa students a level aqa as physics book 6. Oscilloscopes are indispensable tools for anyone designing, manufacturing or repairing electronic equipment. Aqa alevel physics electricity show 10 more do exam boards have to test every part of a specification. Gcse physics for certification june 2014 onwards version 1. Show clearly how you work out your answer and give the unit. Edexcel international gcse physics student book sample chapter. This booklet will be the equivalent of 2 set homework tasks and will be handed in on the due date. An oscilloscope is a machine that shows the wave shape of an electrical signal. Using an oscilloscope to investigate a changing potential difference gcse keywords.
Oscilloscopes the two controls on an oscilloscope we are interested in are. Additional science ph2fp f gcse and alevel revision. Sensors can convert these forces into electrical signals that. Measure waves using oscilloscopes to see analogue and digital signals. Each horizontal division on the oscilloscope screen represents 0. Figure 2 5 v 0 v one vertical division on the oscilloscope screen represents 5 volts. Jul 03, 2017 gcse science physics 91 dc and ac supply. An oscilloscope is connected to an alternating current a. Gcse science physics aqa p2 ac dc and the national grid. Input connected to ground zero volts and timebase switched off, oscilloscope trace is a spot in the middle of the screen. Jul 16, 20 a quick video looking at how to read oscilloscopes and among other things how to find frequency from the oscilloscope trace. The longitudinal sound waves are converted to transverse. Safety in the science lesson this book is a textbook, not a laboratory or practical manual. Aqa p2 electricity gcse physics 10 lesson plans and powerpoints.
P5 homework booklet 6473 use gcse physics book pages. Why choose an ocr gcse 91 in physics a gateway science 1. The diagram shows the trace produced on the oscilloscope screen. An oscilloscope can be used to determine the frequency of a sound wave. Gcse additional science physics foundation tier unit physics p2 friday 17 june 2016 morning time allowed. Time allowed 1 hour instructions use black ink or black ballpoint pen. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Additional science ph2fp unit physics p2 physics unit physics p2 thursday 23 may 20 9. The diagrams show graphical representations of sound waves as seen on an oscilloscope screen. Physics challenge 2015 page of 14 the student uses the same detectors and the settings on the oscilloscope remain unchanged. Xyzs of oscilloscopes pdf 64p this book provides a solid understanding of oscilloscope basics. The first figure or page number always refers to the gcse physics book. Users may need to adapt the risk assessment information to local circumstances. Gcse additional sciencephysics question paper unit 02 physics june. When connected to a microphone they can show the wave shapes of sounds.
Additional science physics gcse and alevel revision. If you have any improvements or comments please let me know so i. Primer xyzs of oscilloscopes university of colorado boulder. 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.
You are expected to attempt all questions in the booklet. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Gcse physics b provides distinctive and relevant experience for students. A quick video looking at how to read oscilloscopes and among other things how to find frequency from the oscilloscope trace. Copy an oscilloscope is a type of electronic test instrument that graphically displays varying signal voltages. Oct 03, 2017 this website and its content is subject to our terms and conditions. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot. Nov, 2011 students use the graphs to complete traces for loud, quiet, high and low sounds. After completing this experiment, you will be able to use the oscilloscope to measure unknown. Xyzs of oscilloscopes the oscilloscope is an essential tool if you plan to design or repair electronic equipment. Figure 2 a second note, of different wavelength, was played on the keyboard. The water tank is 10 m long, the distance between the reflecting prisms is 17.
Free oscilloscopes books download ebooks online textbooks. 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. Figure 1 figure 2 shows the trace produced by the sound wave on the cro. The following student books have been selected for aqas official approval process.
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. Course i laboratory practicals part ii uct physics department. Electricity cathode ray oscilloscope alevel physics tutor. Oscilloscopes enable scientists, engineers, technicians, educators and others to see events that change over time. The cathode ray oscilloscope consists of three main elements. These diagrams show oscilloscope traces of three sounds. When reading the oscilloscope you need to think about how to define where the origin 0,0 lies on the screen. The oscilloscope controls are at the same settings for both traces. First we explore what is meant by these two types of current and then we look at how to use an oscilloscope trace to determine the features of an ac. The diagram shows the trace produced by an alternating current a. Learn about the meanings of electrical symbols and properties of electrical circuits with bbc bitesize gcse physics. Experiment 7 ac voltages, frequency and the use of the. Oscilloscopes and sound sound gcse physics single science. Figure 2 shows the oscilloscope trace of the signal from the.
Ac and dc electrical circuits, ac and dc gcse physics. Student book edexcel international gcse 91 physics. Examine seismographic traces of recent earthquakes. Phys 112 the oscilloscope 3 the vertical system accepts input signals and develops appropriate deflection voltages for the crt. 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. Pearson edexcel international gcse 91 friday 14 june 2019. Cross through any work you do not want to be marked. Isaac physics a project designed to offer support and activities in physics problem solving to teachers and students from gcse level through to university. If you fail to complete this booklet or you lose the booklet you will be expected to complete a 30minute. In todays fastpaced world, engineers need the best tools available to. Because this is a twochannel scope there are two identical sets of vertical controls, one for each trace. Oscilloscope, trace, voltsperdivision, alternating current, ac, direct current, dc course overview. 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.
Gcse physics specification mppemock papers, past papers. Determine the speed of sound in air using a 2beam oscilloscope, signal generator, speaker and microphone objective. Figure 2 shows the oscilloscope trace an alternating current a. Aqa gcse biology student book 97814718539 early 2016. Experiment 7 ac voltages, frequency and the use of the oscilloscope objective. Energy, vibrating particles, and other invisible forces are everywhere in our physical universe. These are some notes and pictures ive put together and collected on using an oscilloscope for as level physics.
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