Question
A current-camying wire is in a north-south orientation. When a compass needle is placed below or above it, in what direction does the compass needle point?
Step 1
According to the right-hand rule, if the thumb of the right hand points in the direction of the current (from north to south in this case), the fingers curl in the direction of the magnetic field. This means the magnetic field is circulating around the wire in a Show more…
Show all steps
Your feedback will help us improve your experience
Prabhu Ramji and 66 other Physics 102 Electricity and Magnetism educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A straight current-carrying wire is horizontal and oriented south to north. When a compass needle is placed below or above it, in what direction does the compass needle point?
A long, straight, current-carrying wire runs from north to south. a. A compass needle placed above the wire points with its north pole toward the east. In what direction is the current flowing? b. If a compass is put underneath the wire, in which direction will the compass needle point?
Magnetic Fields
Magnets: Permanent and Temporary
A long, straight, current-carrying wire runs from north to south. a. A compass needle placed above the wire points with its north pole toward the east. In What direction is the current flowing b. If a compass is put underneath the wire, in which direction will the compass needle point?
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD