Visual Aids I. Topic : Resistor Color Coding II. Objectives At the end of the lesson‚ the students will 1. State the colors of the resistor color coding accordingly. 2. Name the value of resistors based on the color codes. 3. Appreciate the value of using codes. III. Activities 1. Prayer/Greetings/Introduction. 2. Review of the previous topic. What is resistor? 3. Motivation: Traffic lights 4. Introduce the topic: Resistor Color coding Ask the students
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circuit. A potential divider is resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage. A resistor is a device having resistance to the passage of an electric current which affects the output voltage (Vout). The factors that I could investigate are changing the resistance of r2 and record the output (Vout)‚ or use a light-dependent resistor (LDR) and change the resistance of r2 and record the output (Vout). Theories Resistors restrict or limit the flow
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Terminal‚ MT1 and MT2 LDR Light dependent resistor symbol The circuit symbol used for the light dependent resistor or photoresistor combines its resistor action while indicating that it is sensitive to light. The basic light dependent resistor symbol has the rectangle used to indicate its resistor action‚ and then has two incoming arrows - the same as those used for photodiodes and phototransistors to indicate its light sensitivity. Light dependent resistor symbol used in circuit diagrams For most
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network to an equivalent wye network we need to derive a transformation formula for equating the various resistors to each other between the various terminals. In converting a wye resistive network to an equivalent Delta network. If all the resistors in the wye network are equal in value then the resultant resistors in the equivalent Delta network will be three times the value of the wye resistors. The experiment is aim to study the transformation of delta-connected load to wye-connected load‚ or vice
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Batteries‚ Resistance and Current “Battery-Resistor”: Check “show battery” and “show cores”‚ watch what happens‚ adjust some variables 1. Why do electrons (blue dots) move? Draw a diagram of the battery‚ label the flow of electrons. The flow of current (+) is opposite; draw this and note if toward or away from + terminal of the battery. The blue dots indicating the electrons move because there is a voltage across the battery in which the electrons flow away from the positive terminal
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quantities‚ and lastly measure voltage and resistance in an electrical circuit using a multimeter. Materials: Wire Light Emitting Diodes (red‚ green‚ blue) Alligator Chips Resistors Multimeter 9-volt battery Procedures: 1. With the components provided in the lab kit‚ “build” the DC series circuit. 2. Using the resistors provided‚ that limits the current to less than 20 ma‚ use the multimeter to measure the voltage drops across each component in the circuit. 3. When using the multimeter
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Submitted By A Minor Project Report On “DIGITAL SOIL MOISTURE TEST” In partial fulfillment of requirements for the degree of Bachelor of Technology In Electrical Engineering Guided by Prof. VINEET MEHTA Name of the student: BHOMARAM BHISNOI (10EJIEEOO6) JAGDEV(10EJIEE022) DEPARTMENT
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research projects. Boykin‚ in his lifetime‚ ultimately invented more than 25 electronic devices. One of his early inventions was an improved electrical resistor for computers‚ radios‚ televisions and an assortment of other electronic devices. Other notable inventions include a variable resistor used in guided missiles and small component thick-film resistors for computers. Boykin’s most famous invention was likely a control unit for the artificial heart pacemaker. The device essentially uses electrical
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Timer IC Resistor Capacitor Relay Circuit diagram Circuit operation Applications Advantages Disadvantages Limitation Future scope Conclusion Bibliography Introduction: We have seen many more times that our street light were turned On even inday time also. This shows that we are wasting much power even it may be saved and supplied for any crop fields for several hours. Here in this project we had designed a simple and cost less circuit using 55 timer ic and LDR (light dependent resistor). Aim
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circuit in which the has more than one resistor and has multiple paths to move along. The main purpose of this lab was to prove the laws of Ohm and Kirchhoff. On another note‚ being able to take part in this lab taught my partner and I the fundamental skills of constructing series and parallel circuit and using a multimeter to calculate the current and voltage of a circuit. I believe that if we only have the basic materials to conduct electricity (such as resistors‚ alligator clip‚ cords‚ a multimeter
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