Two Long Straight Parallel Lines,#1 and #2,carry Uniform Positive Linear

question 2

Multiple Choice

Two long straight parallel lines,#1 and #2,carry uniform positive linear charge densities.The charge density on line #2 is twice as great as the charge density on line #1.The locus of points where the electric field due to these lines is zero is

• A) along a line between the lines closer to line #2 than line #1.
• B) at a point midway between the lines.
• C) along a line perpendicular to lines #1 and #2.
• D) along a line between the lines closer to line #1 than line #2.

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Definitions:

Voluntary Control

The ability to consciously regulate one's own thoughts, feelings, and actions.

Motor Development

The progression of muscle control, movement skills, and physical coordination in a person, often focusing on infants and young children.

Cephalocaudal

A pattern of growth in which development begins at the head and progresses downwards towards the feet.

Proximodistal

Describes a pattern of physical and psychological growth and development where development starts at the central part of the body and moves towards the outer parts.