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Ohms law quiz

This 10th-grade Ohm's Law quiz helps students practice calculating voltage, current, and resistance through multiple-choice questions and real-world scenarios to reinforce understanding of the relationships between these variables. It encourages applying the formulas to solve practical problems.

By Edform · Physics · Grade 10 · Published Oct 15, 2026 · New

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Questions

  1. What is the correct formula for Ohm's Law?
  2. A circuit has a resistance of 5 ohms and a current of 2 amperes. What is the voltage across the circuit?
  3. Which of the following changes will increase the current in a circuit, assuming the resistance stays the same?
  4. If the resistance in a circuit doubles and the voltage stays the same, the current will be cut in half.
  5. A light bulb operates at 120 V and draws 0.5 A of current. What is its resistance?
  6. What are the units for resistance?
  7. Which of the following statements about Ohm's Law are correct?
  8. A circuit with higher resistance will always have a higher current if the voltage is also higher.
  9. If a circuit has a voltage of 24 V and a resistance of 8 ohms, what is the current?
  10. What is the symbol for current in Ohm's Law?

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