Electric Circuits Quiz
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Questions and Answers

In a series circuit, what happens to the total resistance as more resistors are added?

  • The total resistance stays the same
  • The total resistance decreases
  • The total resistance increases (correct)
  • The total resistance becomes zero
  • What happens to the total current in a parallel circuit if one of the branches is broken?

  • The total current decreases (correct)
  • The total current stays the same
  • The total current increases
  • The total current becomes zero
  • What happens to the brightness of bulbs connected in a series circuit if one bulb burns out?

  • The brightness of all the bulbs decreases (correct)
  • The brightness of all the bulbs increases
  • The brightness of all the bulbs stays the same
  • The brightness of all the bulbs becomes zero
  • Which of the following best defines an alkali in chemistry?

    <p>A base that dissolves in water</p> Signup and view all the answers

    What is the etymological origin of the word 'alkali'?

    <p>Derived from Arabic al qalīy, meaning 'calcined ashes'</p> Signup and view all the answers

    What substance is produced when a water-extract of burned plant ashes undergoes a process involving calcium hydroxide?

    <p>Potassium hydroxide</p> Signup and view all the answers

    What adjective is commonly used in English as a synonym for basic, especially for bases soluble in water?

    <p>Alkaline</p> Signup and view all the answers

    What is the pH of a solution of a soluble base?

    <p>Greater than 7.0</p> Signup and view all the answers

    Study Notes

    Series Circuits

    • In a series circuit, the total resistance increases as more resistors are added.

    Parallel Circuits

    • If one of the branches in a parallel circuit is broken, the total current remains the same.

    Series Circuit Bulbs

    • If one bulb burns out in a series circuit, the brightness of the remaining bulbs decreases or goes out.

    Alkali Definition

    • An alkali in chemistry is a base that dissolves in water.

    Etymology of Alkali

    • The word 'alkali' originates from the Arabic word 'al-qalīy', meaning 'the ashes'.

    Production of Alkali

    • When a water-extract of burned plant ashes undergoes a process involving calcium hydroxide, sodium hydroxide (an alkali) is produced.

    Synonym for Basic

    • The adjective 'alkaline' is commonly used in English as a synonym for basic, especially for bases soluble in water.

    pH of Soluble Base

    • The pH of a solution of a soluble base is greater than 7.

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    Description

    Test your knowledge of series and parallel circuits with this quiz. Explore how the total resistance changes in a series circuit, the impact of a broken branch on total current in a parallel circuit, and the effect on bulb brightness in a series circuit when one bulb burns out.

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