Question

4. Diagram based Questions
(a) In the diagram, the lamps are identical and ammeter A, reads 0.5 A.

(1) What are the readings on A1, A3, A4?
(a) Redraw the diagram to include a switch to control both lamps together.
(m) Redraw the diagram to include two switches to control the lamps separately.
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Answer 1

Answer:

it is given that the two lamps are identical. So, they will have equal resistance. The ammeter A1 reads 0.5 A current. ... Hence, the ammeters A2 and A4 will read 0.25 A each.

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