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Find the time constant of a capacitor with capacitance of 2 microfarad having an internal resistance of 4 megaohm.(a) 2(b) 0.5(c) 8(d) 0.25The question was asked in final exam.Origin of the question is Maxwell Law in Time Varying Fields topic in section Maxwell Equations of Electromagnetic Theory

Answer»

Right option is (c) 8

Explanation: The TIME constant of CAPACITOR is given by T = RC, where R = 4×10^6 and C = 2×10^-6. THUS T = 4×10^6 x2x10^-6 = 8 seconds.



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