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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity2 Marks
Question
The figure below shows a variable resistor in a dimmer switch.

How would you turn the switch to make the lights: (a) brighter, and(b) dimmer? Explain your answer.
✓

Answer

  1. Turn the switch to right side so as the resistance decreases.
  2. Turn the switch to the left side so as the resistace increases.

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