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What happens to the voltage when it passes through an inductor/coil?(a) Phase of voltage leads the current(b) Phase of current leads the voltage(c) Phase of current and voltage cancel out each other(d) Phase of current and voltage gets addedI have been asked this question in homework.Question is taken from Tuned Circuits topic in chapter Fundamentals of Electronics of Avionics

Answer»

The correct ANSWER is (a) Phase of voltage leads the current

For EXPLANATION: In addition to a resistance of alternating current flow, an inductor/coil alters the phase DIFFERENCE between the current and voltage. The inductor/coil lowers the phase of the current and hence the voltage leads the current.



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