The total number of strands and total number of layers, respectively, in a stranded conductor shown in the figure are equal to:

Question

Question

This question was previously asked in

MPPGCL JE Electrical 28 April 2023 Shift 1 Official Paper

Answer 1

Concept

Generally, the total number of strands in any conductor is given by the formula:

N = 3x² - 3x + 1

where, N = No. of conductors

x = No. of layers

Calculation

From the figure, No. of layers (x) = 3

N = 3(3)2 - 3(3) + 1

N = 19

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