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Brooke Burke is enjoying an old episode of E! Wild On on a television picture tube that operates at 21,000 V. This voltage is

Brooke Burke is enjoying an old episode of E! Wild On on a television picture tube that operates at 21,000 V. This voltage is derived from a secondary coil of a transformer. The primary coil is connected to a standard 120-V wall outlet. If the primary coil has 350 turns, how many turns are there in the secondary coil?

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