{"id":18229,"date":"2022-10-30T16:57:01","date_gmt":"2022-10-30T16:57:01","guid":{"rendered":"https:\/\/alnojoumacademy.com\/?p=18229"},"modified":"2022-10-30T16:59:58","modified_gmt":"2022-10-30T16:59:58","slug":"general-physics-chapter-23-electric-field","status":"publish","type":"post","link":"https:\/\/alnojoumacademy.com\/en\/general-physics-chapter-23-electric-field\/","title":{"rendered":"General Physics: (Chapter 23 )Electric field"},"content":{"rendered":"

Exercise 1:<\/u><\/strong><\/a><\/p>\n

A 7.50-nC point charge is located 1.80 m from a 4.20-nC point charge.<\/a><\/p>\n

(a) Find the magnitude of the electric force that one particle exerts on the other.<\/a><\/p>\n

(b) Is the force attractive or repulsive?<\/a><\/p>\n

\"\"<\/a><\/u><\/strong><\/p>\n

\u00a0===================================================<\/u><\/strong><\/a><\/p>\n

Exercise 2:<\/u><\/strong><\/a><\/p>\n

Three point charges lie along a straight line as shown in Figure below ,<\/a><\/p>\n

where q1 <\/sub>= 6.00 \u03bcC, q2 = 1.50 \u03bcC, and q3<\/sub>= 2.00 \u03bcC.<\/a><\/p>\n

The separation distances are d1= 3.00 cm and \u00a0d2<\/sub>= 2.00 cm.<\/a><\/p>\n

Calculate the magnitude and direction of \u00a0the net electric force on (a) q1, (b) q2, and (c) q3.<\/a><\/p>\n

\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

================================================<\/u><\/strong><\/a><\/p>\n

Exercise 3:<\/u><\/strong><\/a><\/p>\n

In figure below, determine the point (other than infinity)at which electric field equal zero<\/a><\/p>\n

\"\"<\/a><\/u><\/strong><\/p>\n

\"\"<\/a><\/p>\n

=====================================================================<\/a><\/p>\n

Exercise4:<\/u><\/strong><\/a><\/p>\n

Three point charges are arranged as shown in Figure below \u00a0Find<\/a><\/p>\n

(a) the magnitude and<\/a><\/p>\n

(b) the direction of the electric force on the particle at the origin.<\/a><\/p>\n

\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

=========================================================================<\/a><\/p>\n

Exercise 5:<\/u><\/strong><\/a><\/p>\n

negatively charged rod of finite length carries charge with a uniform charge per unit length. Sketch the electric field lines in a plane containing the rod.<\/a><\/p>\n

\"\"<\/a><\/p>\n

============================================================================<\/a><\/p>\n

Exercise6:<\/a> <\/u><\/strong><\/p>\n

An electron and a proton are each placed at rest in a uniform electric field of magnitude 520 N\/C. Calculate the speed of each particle 48.0 ns after being released.<\/a><\/p>\n

\"\"<\/a><\/p>\n

==================================================================<\/u><\/strong><\/a><\/p>\n

Exercise 7:<\/u><\/strong><\/p>\n

\u00a0<\/u><\/strong>A proton accelerates from rest in a uniform electric field of 640 N\/C. At one later moment, its speed is\u00a01.20Mm\/s\u00a0(non-relativistic because\u00a0v\u00a0is much less than the speed of light).<\/a><\/p>\n

(a) Find the acceleration of the proton.<\/a><\/p>\n

(b) Over what time interval does the proton reach this speed?<\/a><\/p>\n

(c) How far does it move in this time interval?<\/a><\/p>\n

(d)\u00a0 What is its kinetic energy at the end of this\u00a0interval?<\/a><\/p>\n

\"\"<\/a><\/u><\/strong><\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Exercise 1: A 7.50-nC point charge is located 1.80 m from a 4.20-nC point charge. (a) Find the magnitude of the electric force that one particle exerts on the other. (b) Is the force attractive or repulsive? \u00a0=================================================== Exercise 2: … <\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","footnotes":""},"categories":[99],"tags":[],"class_list":["post-18229","post","type-post","status-publish","format-standard","hentry","category-physics-posts","pmpro-has-access"],"_links":{"self":[{"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/posts\/18229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/comments?post=18229"}],"version-history":[{"count":3,"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/posts\/18229\/revisions"}],"predecessor-version":[{"id":18252,"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/posts\/18229\/revisions\/18252"}],"wp:attachment":[{"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/media?parent=18229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/categories?post=18229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alnojoumacademy.com\/en\/wp-json\/wp\/v2\/tags?post=18229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}