Physics – 4.2.3 Electromotive force and potential difference | e-Consult
4.2.3 Electromotive force and potential difference (1 questions)
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Given:
- Potential difference (V) = 9 V
- Power (P) = 4 W
Equation: P = V x I. Rearranging to solve for I gives I = P / V
Calculation:
I = 4 W / 9 V = 0.44 A (approximately)
Answer: The current flowing through the resistor is approximately 0.44 A.