Physics · May / June 2025 · Paper 21 · Question 7
5054
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The question as text
Fig. 7.1 shows an alternating current (a.c.) power supply connected to a transformer. primary coil secondary coil output voltage iron core power supply Fig. 7.1
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7(a)[3]
7(b)(i)[1]
7(b)(ii)[2]
7(c)(i)[1]
7(c)(ii)[2]
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