Electric Circuits Overview

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Questions and Answers

What is the main purpose of an electric circuit?

  • To store energy
  • To provide a return path for the flow of current (correct)
  • To generate heat
  • To create light

How is an electronic circuit different from an electrical circuit?

  • Electronic circuits use more wires
  • Electrical circuits have more components
  • Electronic circuits always contain at least one active component (correct)
  • Electrical circuits are more efficient

What characterizes an open circuit?

  • Voltage tends to the EMF with no current flowing (correct)
  • It has a complete conducting path
  • It allows current to flow continuously
  • It glows brightly with electricity

Which component is NOT typically found in an electric circuit?

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

What happens in a closed-loop circuit?

<p>Current flows from the source to the load and then returns back (A)</p> Signup and view all the answers

Why won't a light bulb glow in an open circuit scenario?

<p>Because the circuit is not completed (B)</p> Signup and view all the answers

What do we call a circuit with a return path for current to flow and a resistance value of zero?

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

In which type of circuit is there only one path for electricity to travel through?

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

What happens when a Phase or Line wire touches the Neutral wire without any load between them?

<p>The circuit experiences a short circuit (C)</p> Signup and view all the answers

What kind of circuit is formed when elements are series connected in some parts and parallel in others?

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

If a circuit has many paths for electricity to travel through, what kind of circuit is it?

<p>Parallel circuit (C)</p> Signup and view all the answers

What is the likely outcome when a fuse blows or a circuit breaker trips due to a short circuit?

<p>Appliance damage or serious injury may occur (D)</p> Signup and view all the answers

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