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Single Phase vs Polyphase AC Circuits

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Questions and Answers

Which type of AC power is characterized by three sinusoidal voltages with 120° phase difference?

Non-linear AC supply

Polyphase AC supply (correct)

Passive AC supply

Single phase AC supply

What is the minimum number of wires required in a single phase AC circuit?

Four

Three

One

Two (correct)

What term is used to describe an electric circuit with varying parameters of resistance, inductance, and capacitance?

Linear Circuit

Passive Circuit

Non-linear Circuit (correct)

Active Circuit

How many wires are required in a three phase four-wire AC circuit?

Four Signup and view all the answers

What is the defining characteristic of a linear circuit?

Constant component values Signup and view all the answers

In electric circuits, what do lumped parameters refer to?

Constant circuit parameters Signup and view all the answers

What is a unilateral circuit?

A circuit that changes properties with the direction of current flow Signup and view all the answers

Which component is a typical example of a unilateral circuit?

Diode Signup and view all the answers

What defines a node in a circuit?

A point where two or more circuit elements meet Signup and view all the answers

What is a branch in a circuit?

A section between two junctions where elements with two terminals are connected Signup and view all the answers

What characterizes a bilateral circuit?

It does not change properties with changes in supply voltage Signup and view all the answers

Which of the following is the best example of a bilateral circuit?

Transmission line Signup and view all the answers