# How to Calculate the Radius of the Path of the Ion in the Field?

A charged particle, which is called an ion, moving through a magnetic field is subjected to a force, as described by Maxwell equations. This force depends on the ion's charge and velocity as well a...
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http://www.ehow.com/how_8005838_calculate-radius-path-ion-field.html

## How to Calculate Radius on a Map?

Drawing a circle around a single point on a map creates an area. The distance from the middle of the circle to the edge of the circle is the radius. The radius shows how far a point is in a strai...
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http://www.ehow.com/how_6353259_calculate-radius-map.html

## How to Calculate the Radius?

Calculating the radius of a circle is a very basic technique that finds the distance between the center of the circle to the circumfrence/ boundary

http://www.wikihow.com/Calculate-the-Radius

## How to Calculate the Radius and Diameter of an Egg?

The diameter is the distance of the widest point of a circle, measuring from one end to the other in a straight line through the center. The radius is the measurement from the center of the circle ...
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http://www.ehow.com/how_7899863_calculate-radius-diameter-egg.html

## How to Calculate the Radius of Curvature?

The radius of curvature is the radius, or half of the diameter, of a circle. The radius of curvature changes as you move along a curve but can be determined at any location along a curve. Radius of...
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http://www.ehow.com/how_8013043_calculate-radius-curvature.html