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primary 5 | Science
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Jane
Jane

primary 5 chevron_right Science chevron_right Singapore

Why is the answer 2?

Date Posted: 2 years ago
Views: 1912

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AC Lim
Ac Lim's answer
12347 answers (A Helpful Person)
1st
For a close circuit, if bulb 1 not lite on, all bulb will not lite on. If 2 not lite on, bulb 3 will not lite on too. So answer is 2
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HiderApplecross
Hiderapplecross's answer
1783 answers (Tutor Details)
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