A light bulb is rated 100W for 220V ac supply of 50HZ. Calculate(i) The resistance of the bulb;(ii) The rms current through the bulb.

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A light bulb is rated 100W for 220V ac supply of 50Hz.Calculate (1) The resistance of the bulb; (ii) The rms current through the bulb.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section: Chapter Questions

Problem 6STP

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Question

A light bulb is rated 100W for 220V ac supply of 50HZ. Calculate
(i) The resistance of the bulb;
(ii) The rms current through the bulb.

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