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LDRs and thermistors

The starter and exit quiz of the lesson “LDRs and thermistors”, from the unit “Circuit components” (Year 10 Science) by Oak National Academy.

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Oak National Academy

12 questions

  1. What is the p.d. across the 10 Ω resistor?
  2. Which of these components only allows current to flow in one direction?
  3. Which statement is correct about this circuit?
  4. What happens to the current in the circuit when the resistance of the variable resistor is increased?
  5. Which of these components has to get hot to work effectively?
  6. What happens to the resistance of a length of fine wire in a circuit if it is removed, folded in two and then reconnected in the circuit?
  7. Which of these components is sensitive to light?
  8. Which of these components is sensitive to temperature?
  9. What does this symbol represent?
  10. What does this electrical component do?
  11. What do the arrows in the circuit symbol represent?
  12. What does this circuit symbol represent?

License: OGL

LDRs and thermistors · Examplary