Determine Which of the Lines $L _ { 1 } , L _ { 2 }$

question 62

Multiple Choice

Determine which of the lines $L _ { 1 } , L _ { 2 }$ and $L _ { 3 }$ passing through the indicated pairs of points are perpendicular.
$\begin{array} { | l | l | } \hline L _ { 1 } &\left(-1, \frac{4}{3}\right) ,\left(1, \frac{2}{3}\right) \\\hline L _ { 2 } &\left(1,-\frac{7}{6}\right) ,\left(4,-\frac{5}{3}\right) \\\hline L _ { 3 }& (-1,-4) ,(4,11) \\\hline\end{array}$

• A) \(L _ { 2 } \text { and } L _ { 3 }\)
• B) \(L _ { 1 } \text { and } L _ { 2 }\)
• C) \(L _ { 1 } \text { and } L _ { 3 }\)
• D)all are perpendicular
• E)none are perpendicular

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Definitions:

Input Field Device

An external device or sensor connected to a control system, providing real-time data for processing.

Triac Switch

A semiconductor device used to control the flow of electrical power, capable of switching high voltages and currents with low voltage control signals.

Input Signal Level

The magnitude of an input signal, often measured in volts or decibels, representing the intensity or strength of the signal being received by a system.

Current Sourcing Sensor

A type of sensor that provides an output current, which increases with the magnitude of the parameter being measured.