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Physics (AS & A Level) · Oct / Nov 2020 · Paper 11 · Question 36

9702Kirchhoff’s laws

Three identical lamps L1, L2 and L3 are connected to a battery with negligible internal resistance, as shown. What happens to the brightness of lamps L1 and L2 when the switch S is closed?

  1. Abrighter brighter
  2. Bbrighter dimmer
  3. Cdimmer brighter
  4. Ddimmer dimmer

As printed in the paper

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Correct answer: B. brighter dimmer

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