Media Theory & Practice BASIC ELECTRONICS BASIC ELECTRONICS David Williams & Michael Shiloh © 2003 MakingThings LLC Media Theory & Practice BASIC ELECTRONICS OVERVIEW Session 1 Electricity is kind of like water The Components Inside Session 2 The Binary Miracle Switches can do all that? Arrange them just right‚ and you have a computer The computer does what you say millions of times a second Reconnecting to the real world Media Theory & Practice BASIC ELECTRONICS
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Submission Date : 05/03/2014 Measurement of Resistance and Ohm’s Law Department of Physics‚Işık University Meşrutiyet Köyü‚Üniversite Sokağı‚No:2 34980 Şile‚İstanbul Abstract In this experiment we used two multimeters‚ a set of resistors‚ a bundle of connecting wires and a DC power supply. By this experiment we learned how to use the electrical instruments‚ simple circuit elements and we studied Ohm’s law. Theory In electrical circuits‚ we are concerned with the flow of electrical
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6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Component Description Opamp Zener Diode Diode Microphone Speakers LED Light Dependent Resistor (LDR) N-MOSFET NPN BJT Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor
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The factors that I am going to vary are the length of the Nichrome wire and adjust the variable resistor to take 3 readings. The factors that I am going to keep constant are: same thickness of the wire and the set up of the circuit should be the same. APPARATUS: v NICHROME WIRE v POWER PACK v METER RULER v CROCODILE CLIPS v SELLOTAPE v CONNECTION LEADS v AMMETER v VOLTMETER v VARIABLE RESISTOR DIAGRAM: A V METHOD: I started of with the experiment by setting up the circuit as shown above
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ends of a second heater wire having a cross-sectional area A and length 2L. Which wire gets hotter? (a) the shorter wire‚ (b) the longer wire‚ or (c) more information is needed. 6. Two resistors‚ A and B‚ are connected in a series circuit with a battery. The resistance of A is twice that of B. Which resistor dissipates more power? (a)
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| Resistance and Electric Circuits | Lab 5 | | | The goal of the “Resistance and Electric Circuit” Lab was to determine the resistivity of a conducting wire given two known resistors. The main property of resistivity is that it represents how easily electrons can flow through a material. A Galvanometer is used to measure the current of the circuit and the Wheatstone Bridge is used to measure the resistances and determine the unknown resistance. This experiment also relates Ohm’s Law
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Electrical Current Lesson 7. Voltage Lesson 8. Resistance B. PROCESS Lesson 1. OHM’s Law Lesson 2. Complete Circuit Lesson 3. Types of Circuit Lesson 4. Circuit Diagrams Lesson 5. Resistor Lesson 6. Other Electronic Components Lesson 7. Basic Hand Tools and Equiment C. REFLECT AND UNDERSTAND Lesson 1/Activity 1: Resistor Color Coding Lesson 2/Activity 2: Proper Use of Soldering Iron Lesson 3/Activity 3: Desoldering Lesson 4/Activity 4: How to Use and Read a Multimeter Lesson 4/Activity 5: Use the
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Oscillators and timers Introduction The NE555 chip which operates at 5v‚ utilizes two comparators for temperature stability. This chip is capable of producing oscillations. It is made up of 8 pins and its oscillation mode is controlled by two resistors and a capacitor. Each pin is set to perform a function. Pin 1 serves as ground. Pin 2 is the trigger - the input to the lower comparator which sets the latch that causes output to go high. Pin 3 serves as the output.
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can determine the current through a resistor by measuring the voltage on both sides of the resistor‚ calculating the difference and dividing it by the resistance the resistor. The resistance that is measured is usually written on the side of the resistor or on the box that it comes in. The resistance of a resistor can also be determined by the number‚ color‚ and order of stripes on the side of it. That is the most common way of identifying a type of resistor. It is also available from the circuit
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Physics Moment of a force: Moment of a force = force x perpendicular distance of the line if action if the force from fulcrum Law of moments: When a body is in equilibrium the sum of the clockwise moments about any point equals the sum of the anticlockwise moments about the same point. Centre of mass: Centre of mass is the point where whole mass of the body assumes to be concentrated. II. If the vertical line through the centre of mass is outside the base it will be a topples but if it’s passed
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