Answered: A 120 V, 60 W lamp is to be operated on…

A 120 V, 60 W lamp is to be operated on 220 V, 50 Hz supply mains. For the lamp to operate in correct voltage, calculate the value of (i) non-inductive resistance and (ii) pure inductance

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.21MCQ

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Question

A 120 V, 60 W lamp is to be operated on 220 V, 50 Hz supply mains. For the lamp to operate
in correct voltage, calculate the value of (i) non-inductive resistance and (ii) pure inductance
(U.P.T.U. 2005–06)

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