Four Identical Point Charges (+4 $\pm$ C)are Placed at the Corners of a Square Which Has

question 158

Multiple Choice

Four identical point charges (+4.0 $\pm$ C) are placed at the corners of a square which has 20-cm sides.How much work is required to assemble this charge arrangement starting with each of the charges a very large distance from any of the other charges?

• A)+2.9 J
• B)+3.9 J
• C)+2.2 J
• D)+4.3 J
• E)+1.9 J

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Definitions:

ControlLogix Controllers

ControlLogix Controllers are a range of programmable logic controllers (PLCs) from Allen-Bradley designed for industrial and process automation.

Rack/Slot Based Addressing

A method used in modular hardware systems, like PLCs, where devices or modules are assigned addresses based on their physical position (rack and slot) within the system.