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Following figure shows cross-sections through three long conductors of the same length and material, with square cross-section of edge lengths as shown. Conductor  will fit snugly within conductor  and conductor  will fit snugly within conductor  Relationship between their end to end resistance is

a)

b)

c)

d)

Information is not sufficient


Question ID - 150323 | Toppr Answer

Following figure shows cross-sections through three long conductors of the same length and material, with square cross-section of edge lengths as shown. Conductor  will fit snugly within conductor  and conductor  will fit snugly within conductor  Relationship between their end to end resistance is

a)

b)

c)

d)

Information is not sufficient

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

All the conductors have equal lengths. Area of cross-section of  is

Similarly area of cross-section of  Area of cross-section of

Hence according to formula  resistances of all the conductors are equal



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