Q4 [¹: Choose the correct answer:1.If the electric potential is known as a function of coordinates x, y and z, we can obtain thecomponents of the electric field by:a) Taking the partial derivative of the electric potential with respect to the coordinates.b) Taking the negative partial derivative of the electric field with respect to thecoordinates.c)Taking the divergence of the potential with respect to the coordinates.d) Taking the negative of the divergence of the potential with respect to the coordinates2. For an equipotential surface, one of the following statements are more accurate:a) The equipotential surface is one on which all points are at the same potential. That is,the potential difference between any two points on the surface is zero, and no work isrequired to move a charge from one point to another.b) The equipotential surface is one on which all points are at the same potential. That is,the potential difference between any two points on the surface is zero, and an amount ofwork is required to move a charge from one point to another.c) The equipotential surface is one on which all points are of the same electric field. Thatis, the potential difference between any two points on the surface is constant, and nowork is required to move a charge from one point to another.d) The equipotential surface is one on which all points are of the same electric field. Thatis, the potential difference between any two points on the surface is constant, and anamount of work is required to move a charge from one point to another.3. The electric potential due to a continuous charge distribution is V = k f dq/r, which of thefollowing statements is true for charge conductor in electrostatic equilibrium:a) Every point on the surface of a charged conductor is at the same electric potential. Thepotential is constant everywhere inside the conductor and equal to its value at thesurface.b) Every point on the surface of a charge's conductor is at the same electric potential. Thepotential is zero inside the conductor.c) Every point on the surface of a charged conductor has its unique potential. Thepotential is complex to calculate inside the conductor.d) Every point on the surface of a charged conductor has zero potential. The potential isalso zero inside the conductor.4. A conducting wire of length (1) and a cross sectional area (S), if the cross-sectional area ofthe wire is reduced, at a given potential difference, then:a) The current density increases with increasing the electrons drift velocity.b) The current density increases with increasing the number of electrons throughout thewire.c) The current density decreases with increasing the electrons drift velocityd) The current density decreases with decreasing the electrons drift velocity.

“Since you have posted multiple questions, we will provide the solution only to the first question…

1. If the electric potential is known as a function of coordinates x, y and z, we can obtain the components of the electric field by: a) Taking the partial derivative of the electric potential with respect to the coordinates. b) Taking the negative partial derivative of the electric field with respect to the coordinates. c) Taking the divergence of the potential with respect to the coordinates. d) Taking the negative of the divergence of the potential with respect to the coordinates

1. If the electric potential is known as a function of coordinates x, y and z, we can obtain the components of the electric field by: a) Taking the partial derivative of the electric potential with respect to the coordinates. b) Taking the negative partial derivative of the electric field with respect to the coordinates. c) Taking the divergence of the potential with respect to the coordinates. d) Taking the negative of the divergence of the potential with respect to the coordinates

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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