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An electric potential V= R3 + sin20xcos20. The electric field intensity E is O -R 3R? - ậ cos20 2R O None of these -R 3R – Ôcos20 | 2cos40 -R 3R? | R cos40 -R 3R3 – ô 3R

An electric potential V= R3 + sin20xcos20. The electric field intensity E is O -R 3R? - ậ cos20 2R O None of these -R 3R – Ôcos20 | 2cos40 -R 3R? | R cos40 -R 3R3 – ô 3R

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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**Question:** An electric potential \( V = R^3 + \sin 2\theta \times \cos 2\theta \). The electric field intensity \( \vec{E} \) is: **Options:** - \( \large -\hat{R} \, 3R^2 - \hat{\theta} \, \frac{\cos 2\theta}{2R} \) - \( \large -\hat{R} \, 3R - \hat{\theta} \, \cos 2\theta \) - \( \large -\hat{R} \, 3R^2 - \hat{\theta} \, \frac{2\cos 4\theta}{R} \) - \( \large -\hat{R} \, 3R^3 - \hat{\theta} \, \frac{\cos 4\theta}{3R} \) - None of these
Transcribed Image Text:**Question:** An electric potential \( V = R^3 + \sin 2\theta \times \cos 2\theta \). The electric field intensity \( \vec{E} \) is: **Options:** - \( \large -\hat{R} \, 3R^2 - \hat{\theta} \, \frac{\cos 2\theta}{2R} \) - \( \large -\hat{R} \, 3R - \hat{\theta} \, \cos 2\theta \) - \( \large -\hat{R} \, 3R^2 - \hat{\theta} \, \frac{2\cos 4\theta}{R} \) - \( \large -\hat{R} \, 3R^3 - \hat{\theta} \, \frac{\cos 4\theta}{3R} \) - None of these
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Given an electric potential,

V=R3+sin2θ×cos2θ

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