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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Transcribed Image Text:**Question 6:**
A horizontal wire carries a current and is in a vertical magnetic field. What is the direction of the force on the wire?
**Diagram Explanation:**
The diagram is divided into three parts labeled "a," "b," and "c," each showing a different scenario of a wire interacting with a magnetic field.
- **Part (a):**
- The wire is vertical with a current \( I \) flowing upwards.
- The magnetic field lines \( B \) are oriented vertically and parallel to the wire.
- There are no indicators of force direction since the current and magnetic field are aligned.
- **Part (b):**
- The wire is horizontal with a current \( I \) flowing to the right.
- The magnetic field lines \( B \) are directed vertically upwards.
- Given this configuration, the force on the wire can be determined using the right-hand rule for the cross-product of vectors (magnetic force direction).
- **Part (c):**
- The wire is perpendicular to the field, shown with current \( I \) going into the page (indicated by a circle with a cross).
- The magnetic field lines \( B \) are vertically oriented upwards.
- The force direction, according to the right-hand rule, is towards the left.
In each scenario, the direction of the force on the wire is determined through the application of the right-hand rule, which aligns the thumb with the current, fingers with the magnetic field, and the resulting palm direction indicates the direction of force.
Expert Solution

Step 1
Given:
The direction of the magnetic field is vertical upward.
The direction of the current is in the horizontal direction.
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