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A resistor of 4 ohms is connected isn series to a box speaker of unknown resistance.If a current of 0.6A flows through the speaker when a voltage of 12V is applied across the combination, calculate: 1. the total resistance in the circuit. ii. the resistance of the speaker ili. the voltage applied across the speaker

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Answer:

the total resistance: 20 ohms

the resistance of the speaker: 16 ohms

the voltage across the speaker: 9.6V

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