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PhysicsQ&A Library4. (a 5) Power stations are normally far away from the customers. A transformer is often used to increase the voltage to a high value. Why do we use the high voltage to transmit the electricity? (b5) For an ideal transformer, if the number of turns in the primary coil s 3000 and the voltage is 45 kV, to get 120 V from the secondary coil, how many turnsStart your trial now! First week only $4.99!*arrow_forward*

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Transcribed Image Text

4. (a 5) Power stations are normally far away from the customers. A transformer is often used to increase the voltage to a high value. Why do we use the high voltage to transmit the electricity? (b5) For an ideal transformer, if the number of turns in the primary coil s 3000 and the voltage is 45 kV, to get 120 V from the secondary coil, how many turns