A 110 -W lamp emits light uniformly in all directions. Assume that 10% of the lamp energy is converted to light. What is the amplitude of the associated E-field at a distance of 0.1 m from the lamp? (c = 3 x 10° m/s; €, = 8.854 x 10-12 S. I unit)

A 110 -W lamp emits light uniformly in all directions. Assume that 10% of the lamp energy is converted to light. What is the amplitude of the associated E-field at a distance of 0.1 m from the lamp? (c = 3 x 10° m/s; €, = 8.854 x 10-12 S. I unit)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

A 110-W lamp emits light uniformly in all
directions. Assume that 10% of the lamp energy is
converted to light. What is the amplitude of the
associated E-field at a distance of 0.1 m from the
lamp?
(c = 3 × 10® m/s; €, = 8.854 × 10-12 S. I unit)
%3D
229.6 V/m
329.6 V/m
356.7 V/m
381.2 V/m
281.2 V/m
256.7 V/m

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