The Figure Shows a Cross Section of Three Parallel Wires

question 53

Multiple Choice

The figure shows a cross section of three parallel wires each carrying a current of 15 A.The currents in wires A and C are out of the paper,while that in wire B is into the paper.If the distance R = 5.0 mm,what is the magnitude of the force on a 4.0-m length of wire C?

• A)90 mN
• B)54 mN
• C)30 mN
• D)18 mN
• E)36 mN

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Definitions:

Status Indicators

"LEDs that indicate the on-off status of an input or output point and are visible on the outside of the PLC."

Output Module

A hardware component in a PLC that provides the interface and electrical signal conversion to control output devices.

Output Load Device

A device controlled by the output of a programmable logic controller or other control system, performing functions in response to electrical signals.