Direction: Show your solutions.
1. An electronic device has a resistance of 20Ω and a current of 15A. What is the voltage of the device?
2. A 3V potential difference is applied to a 6Ω resistor. What is the current that flows into the resistor?
3. A subwoofer needs a household voltage or 110V to push a current of 5.5A through its coil. What is the resistance of the subwoofer?
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