30.03.2023 - 06:30

If E = 9.0 V, what is the current in the 15 ohms resistor? and what is the voltage on the 30 ohms resistor?

Question:

If {eq}varepsilon {/eq} = 9.0 V, what is the current in the 15 ohms resistor? and what is the voltage on the 30 ohms resistor?

Answers (1)
  • Arline
    April 3, 2023 в 15:17
    Using Ohm's law, we know that: Current (I) = Voltage (V) / Resistance (R) For the 15 ohms resistor: I = 9.0 V / 15 ohms = 0.6 A Therefore, the current in the 15 ohms resistor is 0.6 A. For the 30 ohms resistor, we can use the voltage divider formula: V2 = (R2 / (R1 + R2)) * V1 Where V1 is the voltage across the entire circuit (9.0 V), R1 is the resistance of the 15 ohms resistor, and R2 is the resistance of the 30 ohms resistor. Plugging in the values, we get: V2 = (30 ohms / (15 ohms + 30 ohms)) * 9.0 V V2 = 0.667 * 9.0 V V2 = 6.0 V Therefore, the voltage on the 30 ohms resistor is 6.0 V.
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