Question
next lecture (date and time below) First, read sections 225 to 23.3 in the textbook, and watch the videos posted on this topic Then complete the questions on the right. You only get one attempt per question. Here are some tips on how to input your numerical answers and units. Current Score: 2/3 Due date: Due this Wednesday, Jan 15 at 11:00 am (EST) his discussion is closed. Question 3 What is the direction of the electric field at the dot? All three charges have the same magnitude. (+) To the right. Down. The electric field is zero. To the left. Up
Solution
4.1
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Aiden
Elite ยท Tutor for 8 years
Answer
Here's how to determine the direction of the electric field at the dot:1. **Individual Fields:** Remember that electric field lines point *away* from positive charges and *towards* negative charges. * **Positive Charge (Right):** The electric field at the dot due to this charge points to the *left*. * **Positive Charge (Top):** The electric field at the dot due to this charge points *down*. * **Negative Charge (Left):** The electric field at the dot due to this charge *also* points to the *left*.2. **Superposition:** The total electric field at the dot is the vector sum of the individual fields created by each charge. Since both positive and negative charges on the horizontal axis contribute to a field to the left, and the positive charge above contributes a field downwards, the resulting field will point down and to the left.3. **Answer:** Since the question gives only horizontal and vertical options, and the horizontal components reinforce each other while there is only a single vertical component, the *dominant* direction will be **to the left**.Therefore, the answer is **To the left.**