The primary windings of a transformer which has an 88%

Chapter 26, Problem 76GP

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QUESTION:

Problem 76GP

The primary windings of a transformer which has an 88% efficiency are connected to 110-V ac. The secondary windings are connected across a 2.4-Ω, 75-W lightbulb. (a) Calculate the current through the primary windings of the transformer. (b) Calculate the ratio of the number of primary windings of the transformer to the number of secondary windings of the transformer.

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QUESTION:

Problem 76GP

The primary windings of a transformer which has an 88% efficiency are connected to 110-V ac. The secondary windings are connected across a 2.4-Ω, 75-W lightbulb. (a) Calculate the current through the primary windings of the transformer. (b) Calculate the ratio of the number of primary windings of the transformer to the number of secondary windings of the transformer.

ANSWER:

Step-by-step solution

Step 1 of 5

                  The voltage of the primary coil

                   The resistance of the light bulb connected to secondary coil

           The power of the light bulb connected to the secondary coil.

                       The power of the primary coil.

         

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