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WhatsApp x C Chegg study IGuided Sc x C Chegg Study l Guided sc x A Grades for Sarah Arastu x ter Quest Learr x C O https //q utexas edu modulesessio modulesession 5025084 uest.cns /student ns/administer? Apps C Chegg Guided solutio Campus & Central Prc P Princeton Review D Capture Reference Slide 9 of 12 Print view Due date: February 22. 2017 09:55 AM 9: Checkpoint Question 4 10.0 pts possible Question Answer choices Consider two straight wires each carrying current I, as shown. 1. Towards the top wire O2. To the left O3. To the right 04. Towards the bottom wire 05. There is no magnetic field 6. Into the page What is the direction of the magnetic field O7. Out of the page at point R (midpoint between the two wires) caused by the two current carrying wires Submit answer Next Slide Home l Accessibility l Terms of Use I Prwacy Policy 2017 College of Natural Sciences, The University of Texas at Austin Ask me anything PM

Explanation / Answer

5. There is no magnetic field

Use the right-hand rule to determine the direction of the magnetic field surrounding a long, straight wire carring a current (thumb). We find that the magnetic field points Into the page at point R (fingers) due to the top wire and points Out of the page for the bottom wire. The two together are equal and opposite so they add to zero and thus, there is no magnetic field at point R

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