A High-Voltage Powerline Operates at 500,000 V Rms and Carries

question 32

Multiple Choice

A high-voltage powerline operates at 500,000 V rms and carries an rms current of 500 A. If the resistance of the cable is 0.050 Ω/km, what is the resistive power loss in 200 km of the powerline?

• A)250 kW
• B)500 kW
• C)1 megawatt
• D)2.5 megawatts
• E)250 megawatts

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Definitions:

Derived Class

In object-oriented programming, a class that extends functionality from another class, acquiring its attributes and methods with the possibility of introducing new features and overwriting existing ones.

Base Class

The class from which other classes inherit properties and methods, often referred to as the superclass.

Early Binding

The process of linking a procedure call to a specific method, function, or procedure at compile time, leading to faster execution but less flexibility.

Method Definition

The portion of code that specifies the implementation of a method, including its parameter list and return type.