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Science · Physics
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A transformer connected to a 120 V (rms) ac line is to supply 15000 V (rms) for a neon sign. To reduce shock hazard, a fuse is to be inserted in the primary circuit; the fuse is to blow when the rms current in the secondary circuit exceeds 6.50 mA. (a) What is the ratio of secondary to primary turns of the transformer? (secondary/primary) (b) What power must be supplied to the transformer when the rms secondary current is 6.50 mA? (c) What current rating should the fuse in the primary circuit have?

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