Semiconductors are either solid or liquid material‚ able to conduct electricity at room temperature more readily than an insulator‚ but less easily than a metal. Electrical conductivity‚ which is the ability to conduct electrical current under the application of a voltage‚ has one of the widest ranges of values of any physical property of matter. Such metals as copper‚ silver‚ and aluminum are excellent conductors‚ but such insulators as diamond and glass are very poor conductors. At low temperatures
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Migration Themes in Caribbean Literature: More Social Problems than Solutions Migration is a prominent theme within Caribbean literature. Despite the migrants’ initial perceptions of good fortune‚ the foreign countries are invariably a place of social inequalities and uncertainty. This paper discusses the varying ways in which migration is portrayed through the medium of Caribbean writing. Migration is exhibited in novels‚ short stories‚ and poems. Migration itself is portrayed with curiosity
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the relative differences in strength that results from ionic‚ covalent and metallic boding. There are two types of bond‚ the strong bonds and the weak bonds. Covalent bond is part of strong bond and it has the highest strength among the strong bond. Ionic bond is part of the strong bond but the strength of ionic bond is a medium strong bond. The metallic bond is also part of the strong bond but the strength of the metallic bond is the weakest among the strong bond. QUESTION
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APPARATUS - Power supply - Remote control and a remote receiver - DC motor ( Meccano motor) - Gear levers - Barrier (wooden) - Step down transformer - Cells for the remote - Superglue - Plug and Connecting wires - Metallic case PROCEDURE - Fix the receiver into the metallic case - Connect the remote receiver to the motor and step down transformer - Assemble the gears in such a way that they have a linkage with the
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List of Experiments : 1. To Study various Temperature Measuring Instruments and to Estimate their Response times. (a) Mercury – in glass thermometer (b) Thermocouple (c) Electrical resistance thermometer (d) Bio-metallic strip 2. To study the working of Bourdon Pressure Gauge and to check the calibration of the gauge in a deadweight pressure gauge calibration set up. 3. To study a Linear Variable Differential Transformer (LVDT) and use it in a simple experimental set up to measure a
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Data Tables: Data Table 1: Solubility or Reaction Substance Name Color Odor Effect of Heat Cold H20 Hot H20 Litmus Test Dilute HCI Dilute NaOH Mg Silvery‚ white Metallic Intense light N/A malleable Red to blue None None Cu Reddish Metallic Dull glow N/A malleable‚ ductile Blue to red dissolve dissolve Zn Pale gray Metallic N/A below 110*C N/A N/A none None None MgO white ammonia N/A Creates Mg(OH)2 Creates Mg(OH)2 Red to blue None None CuCO3 Dull white Odorless None Dissolves Dissolves
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Plane mirror Magnifying mirror Cotton Pliers Dressing pliers Cotton pliers Serrated / non serrated Locking / non locking Useful to pick up small items and remove small items from the mouth. Used to to avoid contamination. Explorer are sharp‚ pointed metallic instruments so designed that the various surfaces of teeth may be conveniently reached with the explorer point. sense of touch mechanical penetration of defects in tooth surfaces. locating caries and enamel defects Spoon shaped excavator
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Water Technology Hardness of Water: Natural waters containing large quantities of dissolved salts of Calcium (Ca) & Magnesium (Mg) is called hard water. It is a characteristic of preventing lather formation of water with soap. Ca2+ & Mg2+ ions react with soaps which are salts of fatty acids (stearic or palmitic acid) to give insoluble scums or precipitates of calcium or magnesium stearate or palmitate. 2C17H35COO- + Ca2+ → (C17H35COO)2 Ca (scum) 2C17H35COO- + Mg2+ → (C17H35COO)2
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Define the following terms: 1. Horizontal Cable : A type of inside cable designed for horizontal use in non-plenum areas. While horizontal cable must be fire retardant‚ the National Electrical Code (NEC) specifications are not as demanding as those governing the use of plenum cable or riser cable. See also NEC‚ plenum‚ plenum cable‚ and riser cable. 2. Backbone Cable : Backbone cabling is the inter-building and intra-building cable connections in structured cabling between entrance facilities
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showroom price Ludhiana‚ non metallic). Although production of this car has been stopped. The next cheapest car next to maruti 800 is Alto which costs Rs. 237877.05 (ex showroom price Ludhiana‚ non metallic). Still it is very cheaper as compared to Maruti Suzuki’s other fuel cars. Maruti Suzuki’s cheapest diesel car is Ritz which costs Rs. 539062.48 (ex showroom price Ludhiana‚ non metallic). In case of LPG cost of WagonR is Rs. 407184.68(ex showroom price Ludhiana‚ non metallic) & of CNG cost of WagonR
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