A very long straight current-carrying wire produces a magnetic field of 20 mt at a distance d from the wire. to measure a field
1 answer:
The distance covered is 4d.
<h3>What is the distance?</h3>- Distance is a measure of how far apart two objects or locations are using numbers.
- The distance can refer to a physical length or an estimate based on other factors in both daily language and physics (e.g. "two counties over").
- The terms "distance from A to B" and "distance from B to A" are frequently used interchangeably.
- A distance function or metric is a technique to describe what it means for components of space to be "near to" or "far away" from each other in mathematics.
- It is a generalization of the idea of physical distance. Distance is a non-numerical unit of measurement in psychology and the social sciences; psychological distance is the separation of an object from itself along dimensions including time, space, and isolation.
We know that
the magnetic field is inversely proportional to distance.
To learn more about distance with the given link
#SPJ4
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