insulators. 2. Units 3. 4. Formula Graphs 5. Resistivity 6. Change in resistance If a wire is folded(doubled on it) and made half its length‚ then the resistance does not become half. 7. Resistors in series Is the current or the voltage same in resistors in series. How to avoid The direction of current is opposite to the direction of movement of electrons. In a circuit current always flows from positive to negative terminal and you need to put arrows in this direction
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module 2. To determine maximum power transfer and the optimized load to obtain maximum power transfer from the solar cell to the load Components: 1. PV module 2. 2 units of Multimeters (mA Ammeter‚ Voltmeter) 3. Variable resistors (50 (‚ 100 (‚ 1 k(‚ 5 k() 4. Retort stand 5. Xenon Lamp (Solar simulator) 6. DC power supply 7. Wires
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Alternating current bridges….it’s applications and various perspectives revealed….. ALTERNATING CURRENT BRIDGES:- INTRODUCTION:- A bridge circuit is a type of electrical circuit in which two circuit branches (usually in parallel with each other) are "bridged" by a third branch connected between the first two branches at some intermediate point along them. The bridge was originally developed for laboratory measurement purposes and one of the intermediate bridging points is often adjustable when
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difference of rotation speed makes it possible to make turns. Working Principle: This Robot follows the black line which is drawn over the white surface or it follows the white line which is drawn over the black surface. The LDR’S (Light Dependent Resistors) are used to sense the line. When the light from the LED’S fall on the white surface‚ it gets reflected and if it falls on the black surface‚ it is not reflected this principle is used to scan the Lines for the Robot. Basically the Line following
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| Electronic symbol | (International) (US) | A potentiometer ( /pɵˌtɛnʃiˈɒmɨtər/)‚ informally‚ a pot‚ in electronics technology is a component‚ a three-terminal resistor with a sliding contact that forms an adjustable voltage divider.[1] If only two terminals are used‚ one end and the wiper‚ it acts as a variable resistor or rheostat. A potentiometer measuring instrument is essentially a voltage divider used for measuring electric potential (voltage); the component is an implementation of
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PROJECT IN T.L.E Electronic Components Diodes a diode is a two-terminal electronic component with asymmetric conductance‚ it has low (ideally zero) resistance to current flow in one direction‚ and high (ideally infinite) resistance in the other. A semiconductor diode‚ the most common type today‚ is a crystalline piece of semiconductor material with a p–n junction connected to two electrical terminals. A vacuum tube diode has two electrodes‚ a plate (anode)
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Republic of the Philippines DEPARTMENT OF EDUCATION K to 12 Basic Education Curriculum Technology and Livelihood Education Learning Module CONSUMER ELECTRONICS SERVICING EXPLORATORY COURSE Grade 7 and Grade 8 TABLE OF CONTENTS What Is This Module About ? ................................................................................... 2 How Do You Use This Module ………………………………………………3 LESSON 1 – Use Hand Tools ...................................................................
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Project – “Stereo Audio Compressor” Starting speech Audio compressors that use a light source to control a Light Dependent Resistor (LDR) are not new‚ and indeed there are many classic optical compressor designs. The design goal of the SOC-1.1 was to further enhance the attributes of optical compression to provide the user with alot more functionality as well as improve the compressor response to real world audio signals. We have carefully examined the characteristics of the LDR and developed
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piezoresistors‚ deposited on the oxidized micromachining silicon diaphragm‚ are connected into Wheatstone bridge configuration. For constant voltage VB supply‚ the bridge output V0 is: equation(1) where Ri (i = 1–4) is the resistance of bridge resistors. Thermal drift for offset In Eq. (1)‚ the offset disappears if R1R3 is equal to R2R4. Nonetheless‚ R1R3 is not generally equal to R2R4. The pressure sensor‚ thus‚ has an offset: equation(2) V0=S0K0VB Turn MathJaxon where S0 = R1R3 − R2R4
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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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