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Physics, 21.01.2022 15:30 angelina0miles

Jay wants to find out whether the number of turns of the wire around the steel rod affects the strength of the electromagnet. Which two set-ups below should she choose to conduct a fair test? 1) A and C only
2) A and D only
3) B and C only
4) B and D only


Jay wants to find out whether the number of turns of the wire around the steel rod affects the stre

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