Ohm's Law Basics Quiz
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 does Ohm's Law basically describe in a simple circuit?

  • Current and resistance are directly proportional, while voltage is inversely proportional.
  • Voltage and current are directly proportional, while resistance is inversely proportional. (correct)
  • Voltage and resistance are directly proportional, while current is inversely proportional.
  • All three components are independent of each other.
  • What is the formula for Ohm's Law?

  • R = VI
  • V = IR (correct)
  • I = VR
  • V = I/R
  • What will happen to the current if the voltage in a circuit doubles while the resistance remains constant?

  • It will stay the same.
  • It will triple.
  • It will be halved.
  • It will double. (correct)
  • What will happen to the current if the resistance in a circuit increases while the voltage remains constant?

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

    A light bulb in a circuit has a resistance of 10 ohms and is connected to a battery with a voltage of 12 volts. What is the current flowing through the bulb?

    <p>1.2 A</p> Signup and view all the answers

    To which of the following is Ohm's Law primarily applicable?

    <p>Metals at constant temperature</p> Signup and view all the answers

    Which of the following is Ohm's Law a useful tool for?

    <p>Designing and troubleshooting electrical circuits</p> Signup and view all the answers

    To which law can Ohm's Law be extended to more complex circuits?

    <p>Kirchohoff's Laws</p> Signup and view all the answers

    For which law is understanding Ohm's Law essential?

    <p>Safely working with electrical equipment</p> Signup and view all the answers

    In Ohm's Law (V = IR), which variable represents the force driving the flow of electrons?

    <p>Voltage (V)</p> Signup and view all the answers

    If the resistance in a circuit remains constant, what happens to the current if the voltage doubles?

    <p>It doubles</p> Signup and view all the answers

    For a specific resistor, which scenario creates the highest current flow?

    <p>High voltage and low resistance</p> Signup and view all the answers

    In a series circuit with three resistors, which property remains constant across all resistors?

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

    Which statement accurately describes the relationship between resistance and power dissipation in a circuit?

    <p>Power dissipation is inversely proportional to the square of both resistance and voltage</p> Signup and view all the answers

    When analyzing a complex circuit with resistors in series and parallel, how do we calculate the total resistance?

    <p>Combine series and parallel rules depending on the circuit configuration</p> Signup and view all the answers

    Ohm's Law is valid for ideal conductors like perfect wires. However, what happens in the real world for most conductors?

    <p>Resistance increases slightly with increasing temperature.</p> Signup and view all the answers

    More Like This

    Ohm's Law and Electrical Circuits
    9 questions
    DC Circuits: Ohm's Law and Basic Laws
    40 questions
    Ley de Ohm y Elementos del Circuito
    5 questions
    Use Quizgecko on...
    Browser
    Browser