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Unformatted text preview: Fall 2011 4. A step down transformer has a primary voltage of 120 volts and a secondary voltage of 24 volts. If a current of 10 amperes flows on the secondary side, what is the current flowing on the primary side? 5. If a transformer has a ratio of one primary turn to 20 secondary turns, what is the secondary current for a primary current of 20 amps? 6. A transformer has a primary voltage of 120 VAC and a secondary voltage of 15,000 VAC. If the power measured in the primary side is measured at 5 kW then the power produced by secondary side is: 7. Write three node equations for nodes V1, V2, and V3 with the reference node as shown and find the node voltages. 8. Find the Thevenin equivalent circuit with respect to the 7K ohm resistor....
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This note was uploaded on 11/27/2011 for the course BRAE 216 taught by Professor Kelly during the Spring '08 term at Cal Poly.
- Spring '08