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a. A plug-in transformer supplies 7.50 V to a video game system. How many turns are in its secondary coil, if its input voltage is

a. A plug-in transformer supplies 7.50 V to a video game system. How many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 340 turns?

b. What is its input current when its output is 1.30 A?

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