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?

<p>Four (D)</p> Signup and view all the answers

What is the defining characteristic of a linear circuit?

<p>Constant component values (A)</p> Signup and view all the answers

In electric circuits, what do lumped parameters refer to?

<p>Constant circuit parameters (B)</p> Signup and view all the answers

What is a unilateral circuit?

<p>A circuit that changes properties with the direction of current flow (C)</p> Signup and view all the answers

Which component is a typical example of a unilateral circuit?

<p>Diode (A)</p> Signup and view all the answers

What defines a node in a circuit?

<p>A point where two or more circuit elements meet (A)</p> Signup and view all the answers

What is a branch in a circuit?

<p>A section between two junctions where elements with two terminals are connected (B)</p> Signup and view all the answers

What characterizes a bilateral circuit?

<p>It does not change properties with changes in supply voltage (C)</p> Signup and view all the answers

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

<p>Transmission line (C)</p> Signup and view all the answers

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