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primary 6 | Science
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It is a Science mcq question
Date Posted: 7 years ago
Views: 546
Should be 4
Its 4 I guess
Answer is 4.
When Bulb A is fused. Current can still go through down towards B, lighting up all 3 bulbs (including B)
When bulb B is fused though, current only goes though towards A. thus only 2 remain lit.
When Bulb A is fused. Current can still go through down towards B, lighting up all 3 bulbs (including B)
When bulb B is fused though, current only goes though towards A. thus only 2 remain lit.
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