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23 Nov 2019
a transformer connected to a 120-v(rms) at line is to supply13,000V(rms) for a neon sign. To reduce shock hazard, a fuse is tobeinserted in the primary circuit;the fuse is to blow when thermscurrent in the secondary circuit exceeds 8.50 mA. (a) What istheratio of secondary to primary turns of the transformer? (b)Whatpower must be supplied to the transformer when the rmssecondarycurrent is 8.50 mA? (c) What current rating should thefuse in theprimary circuit have?
a transformer connected to a 120-v(rms) at line is to supply13,000V(rms) for a neon sign. To reduce shock hazard, a fuse is tobeinserted in the primary circuit;the fuse is to blow when thermscurrent in the secondary circuit exceeds 8.50 mA. (a) What istheratio of secondary to primary turns of the transformer? (b)Whatpower must be supplied to the transformer when the rmssecondarycurrent is 8.50 mA? (c) What current rating should thefuse in theprimary circuit have?
