A half-coned shaped resistor shown in Figure is composed of two different ohmic materials with different resistivities. materials are shaped into individual cones of radii R, and R, .The total length of the half cone is L. Which of the statements about the total resistance of the composed material for currentthrough the length of the half cone islare true? I) It is constant for a given temperature. I) It is not constant because the cross sectional are which the current passes is not constant. I) It is not constant because the composed material does not have a uniform resistivity. MIt is constant as long as the current passing is constant. O A) Il and II O B) I and IV

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Chapter1: Units, Trigonometry. And Vectors
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A half-coned shaped resistor shown in Figure is composed of two different ohmic materials with different resistivities.
materials are shaped into individual cones of radii
R,
and
R,
.The total length of the half cone is L. Which of the statements about the total resistance of the composed material for
currentthrough the length of the half cone islare true?
I) It is constant for a given temperature.
I) It is not constant because the cross sectional are which the current passes is not constant.
I) It is not constant because the composed material does not have a uniform resistivity.
MIt is constant as long as the current passing is constant.
O A) Il and II
O B) I and IV
Transcribed Image Text:A half-coned shaped resistor shown in Figure is composed of two different ohmic materials with different resistivities. materials are shaped into individual cones of radii R, and R, .The total length of the half cone is L. Which of the statements about the total resistance of the composed material for currentthrough the length of the half cone islare true? I) It is constant for a given temperature. I) It is not constant because the cross sectional are which the current passes is not constant. I) It is not constant because the composed material does not have a uniform resistivity. MIt is constant as long as the current passing is constant. O A) Il and II O B) I and IV
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