PH-1938
Electrical power and energy
Physics · Secondary 4 · Medium · Electrical power and energy
A 1.5 V cell is connected across a 30 Ω resistor.
How much electrical energy is converted in the resistor in 40 s?
How much electrical energy is converted in the resistor in 40 s?
- 3.0 J
- 0.30 J
- 1.5 J
- 12 J
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