13A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much smaller voltages, typically 354.8 mV.If the number of turns in the primary coil is 1353, calculate the number Ns of turns on the secondary coil of the adapter transformer.Type your answer...

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University Physics Volume 2

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Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 45P: A step-up transformer connected to a 100-V line U used to supply a hydrogen-gas discharge tube with...

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Transformers: Part A- The primary coil of a transformer contains 100 turns; the secondary has 200 turns. The primary coil is connected to a size-AA battery that supplies a constant voltage of 1.5 volts. What voltage would be measured across the secondary coil? zero 0.75 VV 1.5 VV 3.0 V Part B- A transformer is intended to decrease the value of the alternating voltage from 500 volts to 25 volts. The primary coil contains 200 turns. Find the necessary number of turns N_2 in the secondary coil. (Express answer in terms of N_2) Part C- A transformer is intended to decrease the value of the alternating current from 500 amperes to 25 amperes. The primary coil contains 200 turns. Find the necessary number of turns N_2 in the secondary coil. (Express answer in terms of N_2.) Part D- In a transformer, the primary coil contains 400 turns, and the secondary coil contains 80 turns. If the primary current is 2.5 amperes, what is the secondary current I_2? (Express answer in terms…
A transformer is used to provide voltage to a neon sign. The input voltage is 120 V and the output voltage is 600 V. The number of turns on the primary coil of the transformer is 300. The current supplied to the transformer is 2.5 A. What is the number of turns on the secondary coil and the current used in the neon sign? The number of turns in the secondary coil is 60 and the current in the sign is 2.5 A The number of turns in the secondary coil is 240 and the current in the sign is 0.5 A The number of turns in the secondary coil is 60 and the current in the sign is 0.5 A The number of turns in the secondary coil is 1500 and the current in the sign is 0.5 A The number of turns in the secondary coil is 240 and the current in the sign is 2.5 A
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13 A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much smaller voltages, typically 354.8 mV. If the number of turns in the primary coil is 1353, calculate the number Ns of turns on the secondary coil of the adapter transformer. Type your answer...