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1 месяц назад
To find the voltage across the lamp with the smaller resistance (9 Ω) in a series circuit with a current of 5 A, we use Ohm's Law, which states \( V = I \times R \).
For the 9 Ω lamp:
[ V = 5 \, \text{A} \times 9 \, \Omega = 45 \, \text{V} \]
Answer: 45 В.