PH-16
Potential dividers
Physics · Secondary 3 · Hard · Potential dividers
A 9.0 V battery is connected to a 1.0 kΩ resistor in series with an unknown resistor . The output voltage is taken across and is required to be 3.0 V. What value of is needed?
- 250 Ω
- 500 Ω
- 1500 Ω
- 3000 Ω
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