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Find the receiving impedance of a transmission line having a voltage of 24V and a conduction current of 1.2A is(a) 25.2(b) 22.8(c) 28.8(d) 20I had been asked this question in final exam.Enquiry is from Transmission Line Primary Parameters in portion Transmission Lines of Electromagnetic Theory

Answer»

Correct option is (d) 20

Easy EXPLANATION: By Ohm’s law, the IMPEDANCE is the ratio of the voltage to the CURRENT. On substituting for V = 24 and I = 1.2, we get Z = V/I = 24/1.2 = 20 units.



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