O Part 1: B-Field around a current-carrying wire The diagram below shows a wire with its current coming out of the screen. For the various points around it, choose the direction of the magnetic field created by the current. no E-field O no E-field Choose O Part 2: Direction of B-field due to currents The diagram below shows four wires and the direction of the current in each wire. For each wire, determine the direction of the B-field it creates at point P. Direction of BA at P: Choose direction B Direction of B, at P: Choose direction Direction of Bc at P: Choose direction Direction of Bp at P: Choose direction 14 O Part 3: Mathematical relationship for the B-Field due to a current The B-field at point P (due to the current-carrying wire shown below) is 4 T. Determine what the B-field will be at a point that is 8 times closer to the wire than point P. P If the wire is replaced by one with 61 times less current, what will be the B-field at P?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The image is divided into three parts, focusing on the magnetic field (B-field) around current-carrying wires.

**Part 1: B-Field around a current-carrying wire**

The diagram shows a wire with its current coming out from the screen. There are several points around it with options to choose the direction of the magnetic field created by the current. The choices include directions indicating the absence of a magnetic field ("no E-field") and arrows pointing in specific directions, such as left or right.

**Part 2: Direction of B-field due to currents**

This section includes a diagram with four wires labeled A, B, C, and D, with currents in various directions. The task is to determine the direction of the magnetic field each wire creates at a common point P. The diagram indicates the currents using symbols, with crosses (×) showing currents going into the screen and dots (•) showing currents coming out of the screen. Users must choose the direction of the B-field for each wire at point P.

**Part 3: Mathematical relationship for the B-Field due to a current**

The scenario describes a B-field at point P due to a current-carrying wire being 4 T (teslas). It asks to calculate the B-field at a point 8 times closer to the wire than point P. Additionally, users must determine what the B-field at P will be if the wire is replaced by one carrying 61 times less current. There are input boxes for users to provide the calculated values.
Transcribed Image Text:The image is divided into three parts, focusing on the magnetic field (B-field) around current-carrying wires. **Part 1: B-Field around a current-carrying wire** The diagram shows a wire with its current coming out from the screen. There are several points around it with options to choose the direction of the magnetic field created by the current. The choices include directions indicating the absence of a magnetic field ("no E-field") and arrows pointing in specific directions, such as left or right. **Part 2: Direction of B-field due to currents** This section includes a diagram with four wires labeled A, B, C, and D, with currents in various directions. The task is to determine the direction of the magnetic field each wire creates at a common point P. The diagram indicates the currents using symbols, with crosses (×) showing currents going into the screen and dots (•) showing currents coming out of the screen. Users must choose the direction of the B-field for each wire at point P. **Part 3: Mathematical relationship for the B-Field due to a current** The scenario describes a B-field at point P due to a current-carrying wire being 4 T (teslas). It asks to calculate the B-field at a point 8 times closer to the wire than point P. Additionally, users must determine what the B-field at P will be if the wire is replaced by one carrying 61 times less current. There are input boxes for users to provide the calculated values.
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