{"title":"Physics lab Experiments: class 12th","description":null,"products":[{"product_id":"meter-bridge-experiments","title":"To determine the unknown resistance of given wire using meter bridge","description":"\u003ch4\u003eSpecification :\u003c\/h4\u003e\n\u003cp\u003eA Meter Bridge is a Practical Application Of Wheatstone Bridge . In This Experiment We Will Find Out The Resistance Of A Given Wire Using Meter Bridge And Hence Determine The Specific Resistance Of This Material.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDimension: 114x27x15cm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWeight: 4.780 kg\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePacking: Card Board Box\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGST: Gerenal Standard Tax 18%\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHSN CODE :\u003c\/strong\u003e 90278090\u003cstrong\u003e \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory :\u003c\/strong\u003e Lab Experiments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePACKING :\u003c\/strong\u003e Card Board Box\u003c\/li\u003e\n\u003cli\u003eBrand: OM LABS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"scientifickart","offers":[{"title":"Default Title","offer_id":50420127433010,"sku":"OM-12002","price":4200.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/6561\/2338\/files\/meter_bridge_exp..png?v=1791464932"},{"product_id":"to-determine-resistance-per-cm-of-a-given-wire-by-plotting-a-graph-for-potential-difference-vs-current","title":"To determine resistance per cm of a given wire by plotting a graph for potential difference Vs. current.","description":"\u003cp\u003eAPPARATUS WE SUPPLIED \u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eBattery Eliminator (0-12V) \u003c\/li\u003e\n\u003cli\u003eVoltmeter 3V\u003c\/li\u003e\n\u003cli\u003eAmmeter (0-1A)\u003c\/li\u003e\n\u003cli\u003eA piece of wire of known length \u003c\/li\u003e\n\u003cli\u003eRheostat (50ohm, 1.6A)\u003c\/li\u003e\n\u003cli\u003eOne way key  \u003c\/li\u003e\n\u003cli\u003eDCC wire                                                                                                                      \n\u003cp\u003eAccording to Ohm’s law, the electric current flowing through a conductor is directly proportional to the potential difference across its ends, provided the physical state (pressure, temperature, and dimensions) of the conductor remains unchanged.\u003c\/p\u003e\n\u003cp\u003eIf \u003cem\u003eI\u003c\/em\u003e is the current flowing through the conductor and\u003cem\u003e V\u003c\/em\u003e is the potential difference across its end, then\u003c\/p\u003e\n\u003cdiv class=\"mathjax-scroll\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eV\u003c\/em\u003e = \u003cem\u003eRI\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eWhere \u003cem\u003eR\u003c\/em\u003e is the constant of proportionality and is termed as the electrical resistance of the conductor. Resistance \u003cem\u003eR\u003c\/em\u003e depends on the dimensions and material of the conductor. The relationship between the resistance of a material and its length and area of the cross-section is given by the formula\u003c\/p\u003e\n\u003cdiv class=\"mathjax-scroll\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eWhere ρ is the specific resistance or resistivity and is a characteristic of the material of th\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"scientifickart","offers":[{"title":"Default Title","offer_id":52002893201714,"sku":null,"price":3430.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/6561\/2338\/files\/apparatususedinresistanceperunit.png?v=1789998150"},{"product_id":"to-find-the-resistance-of-a-given-wire-standard-resistance-using-meter-bridge-om-12002","title":"TO VERIFY THE LAWS OF COMBINATIONS OF RESISTANCES IN SERIES AND PARALLEL USING METER BRIDGE.(OM-12003)","description":"\u003cp\u003eAPPARATUS WE SUPPLIED \u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eMETER BRIDGE\u003c\/li\u003e\n\u003cli\u003eBATTERY ELIMINATOR(0-12V, 2A)\u003c\/li\u003e\n\u003cli\u003eRESISTANCE COILS (5 OHMS)-2\u003c\/li\u003e\n\u003cli\u003eRESISTANCE BOX (0-10 OHMS)\u003c\/li\u003e\n\u003cli\u003eGALVANOMETER\u003c\/li\u003e\n\u003cli\u003eONE WAY KEY                                \u003c\/li\u003e\n\u003cli\u003eCONNECTING WIRE (DCC)                                                                                                                                   \u003cspan data-subtree=\"aimfl,mfl\"\u003eA meter bridge verifies the laws of combination of resistances by measuring unknown resistances using the principle of a \u003c\/span\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eWheatstone Bridge. \u003c\/span\u003e\u003c\/strong\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwjBk8Gt_6yXAxWqieEIHUEMHjwQi4wTegoIAggACAAIExAA\" data-hveid=\"CAIIAAgACBMQAA\" data-complete=\"true\"\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=ANCR5e_1q\/fLk2Md\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003ePrinciple of the Meter Bridge\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwjBk8Gt_6yXAxWqieEIHUEMHjwQi4wTegoIAggACAAIFRAB\" data-hveid=\"CAIIAAgACBUQAQ\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eWheatstone Bridge Balance Condition:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e A meter bridge consists of a uniform 1-meter-long resistance wire (usually made of an alloy like manganin or constantan) stretched along a scale. It works on the principle that at \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003enull deflection\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e (zero current through the galvanometer), the ratio of resistances in the two opposite arms of the bridge is equal to the ratio of their corresponding lengths.\u003cbr\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwjBk8Gt_6yXAxWqieEIHUEMHjwQi4wTegoIAggACAAIFRAI\" data-hveid=\"CAIIAAgACBUQCA\" data-complete=\"true\"\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwjBk8Gt_6yXAxWqieEIHUEMHjwQi4wTegoIAggACAAIGhAA\" data-hveid=\"CAIIAAgACBoQAA\" data-complete=\"true\"\u003e\n\u003cdiv class=\"AdPoic\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=ANCR5e_32\/fLk2Md\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\n\u003cstrong\u003e\u003cspan class=\"rQesXe MPyX\"\u003eSeries Combination\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwjBk8Gt_6yXAxWqieEIHUEMHjwQi4wTegoIAggACAAIGxAB\" data-hveid=\"CAIIAAgACBsQAQ\" data-complete=\"true\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\u003cspan class=\"rQesXe MPyX\"\u003ewhen t\u003c\/span\u003ewo resistors R1 and R2 are connected end-to-end so that the same electric current flows through both.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwjBk8Gt_6yXAxWqieEIHUEMHjwQi4wTegoIAggACAAIGxAB\" data-hveid=\"CAIIAAgACBsQAQ\" data-complete=\"true\"\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eParallel combination\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwjBk8Gt_6yXAxWqieEIHUEMHjwQi4wTegoIAggACAAIGxAB\" data-hveid=\"CAIIAAgACBsQAQ\" data-complete=\"true\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e When two resistors R1 and R2 are connected across the same two common points so that the potential difference across each is the same.\u003c\/span\u003e\u003c\/div\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n                                                                                                                                                                                                                          \u003c\/li\u003e\n\u003c\/ol\u003e","brand":"scientifickart","offers":[{"title":"Default Title","offer_id":67934905925938,"sku":"OM-12003","price":4970.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/6561\/2338\/files\/combination_of_resistances_in_series_and_parallel_using_meter_bridge.png?v=1791550129"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/6561\/2338\/collections\/physics-lab-equipment-collage.png?v=1791982186","url":"https:\/\/scientifickart.com\/collections\/physics-lab-experiments-class-12th-1.oembed","provider":"scientifickart","version":"1.0","type":"link"}