Sources of Direct Current
16 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the abbreviation for direct current?

  • vc
  • ac
  • de
  • dc (correct)
  • In which direction does current flow in a cell from its positive terminal to its negative terminal?

  • From positive to negative (correct)
  • It flows in a circular motion
  • It changes direction constantly
  • From negative to positive
  • What happens when a primary cell gets discharged?

  • It increases its current output
  • It stops giving current and becomes useless (correct)
  • It becomes rechargeable
  • It transforms into a secondary cell
  • What is the characteristic of a direct current flowing in one direction?

    <p>It has a constant magnitude</p> Signup and view all the answers

    What is the function of electrodes in a cell?

    <p>Conduct current into and out of the cell</p> Signup and view all the answers

    What distinguishes primary cells from secondary cells or accumulators?

    <p>Primary cells are discarded after use, while secondary cells can be recharged</p> Signup and view all the answers

    What is the main characteristic of direct current (d.c)?

    <p>Has a constant magnitude and flows in one direction</p> Signup and view all the answers

    In a primary cell, what type of reaction provides current?

    <p>Irreversible chemical reaction</p> Signup and view all the answers

    What happens to primary cells after the chemical energy has been converted into electrical energy?

    <p>They are discarded</p> Signup and view all the answers

    What is the purpose of the positive terminal in a cell?

    <p>To complete the circuit</p> Signup and view all the answers

    What is the role of electrodes in a cell?

    <p>Conduct electric current</p> Signup and view all the answers

    What happens to a cell when it gets discharged?

    <p>It stops giving current</p> Signup and view all the answers

    Why are primary cells considered 'use and throw' type of cells?

    <p>Because they are discarded after use</p> Signup and view all the answers

    Which direction does current flow in a cell?

    <p>Positive terminal to negative terminal</p> Signup and view all the answers

    What is the purpose of the zinc case in a dry cell?

    <p>To act as the positive terminal</p> Signup and view all the answers

    What kind of cells provide current through reversible chemical reactions?

    <p>Secondary cells or accumulators</p> Signup and view all the answers

    More Like This

    Direct Current Sources Quiz
    0 questions
    Direct Current (DC) Quiz
    5 questions
    Sources of Direct Current
    10 questions

    Sources of Direct Current

    ConstructiveOmaha avatar
    ConstructiveOmaha
    Use Quizgecko on...
    Browser
    Browser