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Last Updated On 16-03-2023 - By Jeesha Sara

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 :-

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



Next Question :

A  voltmeter of internal resistance  in series with a high resistance  is connected to a  line. The voltmeter reads  the value of  is

a)

b)

c)

d)


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