Engineering High School

Answer these 2 Circuit Analysis multiple-choice questions: (please explain your reasoning for each answer)

1. It is any source whose value or magnitude is controlled from a functional relationship with another element:

a) Real
b) Ideal
c) Dependent
d)Independent

2.An element can be part of a circuit as long as the relationship between voltage and current between its terminals is known:

a) True
b) False

Answers

Answer 1

1)It is any source whose value or magnitude is controlled from a functional relationship with another element c) dependent. 2) TRUE. An element can be part of a circuit as long as the relationship between voltage and current between its terminals is known.

1) The correct answer is (c) Dependent.

In the given question, the term that best fits the description is "dependent."

A dependent source is a type of electrical or electronic component whose value or magnitude is controlled by a functional relationship with another element in the circuit.

It means that the output of the dependent source depends on the behavior or characteristics of another element within the circuit.

The relationship between the dependent source and the controlling element can be linear or nonlinear, and it affects the overall behavior of the circuit.

On the other hand, a real source (option a) refers to a physical source of energy or signal, such as a battery or a power supply, which provides a fixed value of voltage or current.

An ideal source (option b) is a theoretical concept used in circuit analysis, assuming a source that provides a fixed value of voltage or current without any internal resistance or limitations.

An independent source (option d) is a type of source whose value is not dependent on any other element in the circuit but remains constant.

2) The answer is (a) True.

An element can be part of a circuit as long as the relationship between voltage and current between its terminals is known.

In electrical circuits, the behavior of an element can be described by its voltage-current characteristic, often referred to as the "I-V curve" or "characteristic curve."

The I-V curve represents the relationship between the voltage across the element's terminals and the current flowing through it.

Knowing the voltage-current relationship of an element is crucial for analyzing and understanding its behavior within a circuit.

It allows engineers and designers to determine how the element will respond to different voltage or current inputs and how it will affect the overall circuit operation.

By measuring or calculating the voltage and current values at the terminals of an element, its characteristics can be determined, enabling proper circuit analysis and design.

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