1. A wire has a resistance R ohm. If another wire of the same material and same weight has double the diameter (as compared to the first wire), the resistance of the second wire will be





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

  • By: guest on 02 Jun 2017 01.06 am
    Since diameter is double, area of cross-section is four times and length is one-fourth. .
Show Similar Question And Answers
QA->.If three resistances 6 ohm,4 ohm and 3 ohm are connected in parallel,what will be the total resistance?....
QA->The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, what is the weight of B?....
QA->In Kiran’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Kiran and he thinks that Kiran’s weight is greater than 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Kiran?....
QA->The weight of a dog is 8kg more than of of its weight. The weight of the dog is :....
QA->The average weight of 10 men is decreased by 3 kg when one of them whose weight is 80 kg is replaced by a new person. The weight of the new person is—....
MCQ->What will be the output of the following program? #include<iostream.h> double BixFunction(double, double, double = 0, double = 0, double = 0); int main() { double d = 2.3; cout<< BixFunction(d, 7) << " "; cout<< BixFunction(d, 7, 6) << endl; return 0; } double BixFunction(double x, double p, double q, double r, double s) { return p +(q +(r + s x) x) x; }....
MCQ->A wire has a resistance R ohm. If another wire of the same material and same weight has double the diameter (as compared to the first wire), the resistance of the second wire will be....
MCQ->Consider the following statements associated with the laws of weights in the theory of erros : 1. If an equation is multiplied by its own weight, then the weight of the resulting equation is equal to the reciprocal of the weight of the equation. 2. The weight of the algebraic sum of two or more quantities is equal to the reciprocal of the sum of the individual weights. 3. If the quantity of a given weight is multiplied by a factor, then the weight of the result is obtained by dividing its given weight by the square root of that factor. 4. If the quantity of a given weight is divided by a factor, then the weight of the result is obtained by multiplying its given weight by the square of that factor. Of these statements :....
MCQ->interface DoMath { double getArea(int rad); } interface MathPlus { double getVol(int b, int h); } / Missing Statements ? / which two code fragments inserted at end of the program, will allow to compile? class AllMath extends DoMath { double getArea(int r); } interface AllMath implements MathPlus { double getVol(int x, int y); } interface AllMath extends DoMath { float getAvg(int h, int l); } class AllMath implements MathPlus { double getArea(int rad); } abstract class AllMath implements DoMath, MathPlus { public double getArea(int rad) { return rad rad 3.14; } }....
MCQ->A coil is wound having a diameter d. Its inductance is 10 mH. If it is rewound on the same core with a wire having diameter 0.5 d and total weight of the wire is the same as before, the inductance will be....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution