30. Induction and Inductance
Transformers
3:52 minutes
Problem 29.65cd
Textbook Question
Textbook QuestionA high-intensity desk lamp is rated at 35 W but requires only 12 V. It contains a transformer that converts 120-V household voltage. (c) What is the current in the primary coil? (d) What is the resistance of the bulb when on?
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