Ohm's Law Basics Quiz

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Questions and Answers

What does Ohm's law describe?

  • The behavior of magnetic fields in a circuit
  • The relationship between resistance, current, and voltage in an electrical circuit (correct)
  • The effects of temperature on electrical conductivity
  • The interaction of light and semiconductors

What happens to the current in a circuit if the resistance is increased?

  • The current remains unchanged
  • The current decreases (correct)
  • The current fluctuates randomly
  • The current increases

If the voltage in a circuit is doubled, what happens to the current if the resistance remains unchanged?

  • The current halves
  • The current doubles (correct)
  • The current remains the same
  • The current quadruples

What does the symbol 'I' represent in Ohm's law?

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