PH-1126
E.m.f. and potential difference
Physics · Secondary 4 · Medium · E.m.f. and potential difference
A 12 V battery is connected across a fixed resistor. The current is 0.80 A. If the battery is replaced by a 6.0 V battery, what is the new current, assuming the resistance is unchanged?
- 0.20 A
- 0.40 A
- 0.80 A
- 1.6 A
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