Question
Which of the following is the SI-derived unit for measuring electric conductance?
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SSC Selection Post 2020 Graduation Level Question Paper (14 Dec, 2020) (Shift 3)
The correct answer is
Siemens
The correct answer is Siemens.
This is often simpler than calculating the total resistance in parallel using the formula 1/R_{total} = 1/R_1 + 1/R_2 + 1/R_3 + .... Conductance is also related to the material properties through conductivity (\sigma). Conductance (G) of a uniform conductor is given by G = \sigma \frac{A}{L}, where A is the cross-sectional area and L is the length of the conductor. Conductivity (\sigma) is the reciprocal of resistivity (\rho), with units of Siemens per meter (S/m).
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