Simple circuits

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Question 21
Easy

A student sets up four alternative circuits, each containing a DC cell at the top and two parallel branches below it. Each branch contains an identical lamp and a semiconductor diode in series.

Four parallel circuit diagrams labeled Circuit A, Circuit B, Circuit C, and Circuit D.

In which circuit will both lamps light up?

Circuit A

Circuit B

Circuit C

Circuit D

Simple circuits Questions

  1. GCSE
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  3. /Simple circuits