Show  Course NCERT Class 12Class 11Class 10Class 9Class 8Class 7Class 6 IIT JEE Exam JEE MAINSJEE ADVANCEDX BOARDSXII BOARDS NEET Neet Previous Year (Year Wise)Physics Previous YearChemistry Previous YearBiology Previous YearNeet All Sample PapersSample Papers BiologySample Papers PhysicsSample Papers Chemistry Download PDF's Class 12Class 11Class 10Class 9Class 8Class 7Class 6 Exam CornerOnline ClassQuizAsk Doubt on WhatsappSearch DoubtnutEnglish DictionaryToppers TalkBlogJEE Crash CourseAbout UsCareerDownloadGet AppTechnothlon-2019 Logout Login Register now for special offers +91 Home > English > Class 10 > Physics > Chapter > Electricity > What happens to resistance if ... Updated On: 27-06-2022 UPLOAD PHOTO AND GET THE ANSWER NOW! Text Solution Solution : The resistance of conductor becomes 4 times that the original resistance. Answer Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams. Related Videos643340011 0 2.0 K 3:33 If the length of a wire is doubled and cross-sectional area is halved, what happens to the resistance? 350235314 0 2.1 K 1:14 Resistivity of a conductor of length l and cross - section A is `rho` . If its length is doubled and area of cross-section is halved, then its new resistivity will be . 18249004 0 2.2 K 2:22 Resistance of a conductor of length l and area of cross-section A is R. If its length is doubled and area of cross-section is halved, then find its new resistance. 644372743 0 5.6 K 1:51 Resistivity of a conductor of length l and cross - section A is `rho` . If its length is doubled and area of cross-section is halved, then its new resistivity will be . 644366869 0 2.1 K 1:44 Resistance of a conductor of length l and area of cross-section A is R. If its length is doubled and area of cross-section is halved, then find its new resistance. 643191087 0 7.7 K 1:45 Resistance of a conductor of length l and area of cross-section A is R. If its length is doubled and area of cross-section is halved, then find its new resistance. Show More Comments Add a public comment... Follow Us: Popular Chapters by Class: Class 6 AlgebraBasic Geometrical IdeasData HandlingDecimalsFractions Class 7 Algebraic ExpressionsComparing QuantitiesCongruence of TrianglesData HandlingExponents and Powers Class 8 Algebraic Expressions and IdentitiesComparing QuantitiesCubes and Cube RootsData HandlingDirect and Inverse Proportions Class 9 Areas of Parallelograms and TrianglesCirclesCoordinate GeometryHerons FormulaIntroduction to Euclids Geometry Class 10 Areas Related to CirclesArithmetic ProgressionsCirclesCoordinate GeometryIntroduction to Trigonometry Class 11 Binomial TheoremComplex Numbers and Quadratic EquationsConic SectionsIntroduction to Three Dimensional GeometryLimits and Derivatives Class 12 Application of DerivativesApplication of IntegralsContinuity and DifferentiabilityDeterminantsDifferential Equations Privacy PolicyTerms And Conditions Disclosure PolicyContact Us तांबे के तार की त्रिज्या आधी करने पर उसकी प्रतिरोधकता पर क्या प्रभाव पड़ेगा?ताम्बे के तार की त्रिज्या यदि आधी और लम्बाइ दुगुनी कर दी जाये तो उसका विशिष्ट प्रतिरोध बढ़ जायेगा , कम हो जायेगा अथवा अपरिवर्तित रहेगा।
यदि किसी तार की लंबाई को दोगुना कर दिया जाए तो उसका प्रतिरोध क्या होगा?शून्य हो जाता है।
एक तार को खींचकर n गुणा लंबा करने पर उसके प्रतिरोध पर क्या प्रभाव पड़ेगा?1 100-1 (E 2.1) (E 2.2) (E 2.3) 29 Page 8 30 क्योंकि, एक समान अनुप्रस्थ काट क्षेत्रफल के तार के लिए प्रतिरोध तार की लंबाई के अनुक्रमानुपाती होता है। इस प्रकार [तथा R के मान ज्ञात करके समीकरण (E2.
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