In this problem, we are dealing with voltage changes in transformers and power.

Voltage transformation equation:

(a) What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 500 turns, its secondary 4 turns, and the input voltage is 120 V?

(b) What input current is required to produce a 4.00 A output?

(c) What is the power input?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Transformers concept. You can view video lessons to learn Transformers. Or if you need more Transformers practice, you can also practice Transformers practice problems.