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•.000 AT&T 7:40 PM 27% 0 Today 7:00 PM Details Name of Student: 1. (30 points) (Problems 43 in textbook / Chapter 23) A continuous line of charge lies along the r axis, extending from r = +20 to positive infinity. The line carries positive charge with a uniform linear charge density A. What are (a) the magnitude and (b) the direction of the electric field at the origin? 2. (30 points) (Problems 44 in textbook / Chapter 23) A thin rod of length / and uniform charger per unit length / lies along the r axis as shown below. (a) Show that the electric field at P, a distance d from the rod along its perpendicular bisector, has no I component and is given by E = 2k Asin 80/d. (b) What if? Using your result to part (a), show that the field of a rod of infinite length is E = 2ked. 3. (35 points) (Problems 24 in textbook / Chapter 23) A small object of mass 3.80 g and charge -18.0 C is suspending motionless above the ground when immersed in a uniform electric field perpendicular to the ground. What are the magnitude and direction of the electric field? مه
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Hi buddy...your three question solution is enclosed here...please speak to me if any query.Regards

Question 1:
Now given that charge per unit length of the rod is  0 .Given that the rod extends from x 0 to
positive infinity.
Let us consider the small element dx ,having charge dq  dx .
Let this charge element ...


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