PH-23
Potential dividers
Physics · Secondary 3 · Hard · Potential dividers
A 12 V supply is connected across a variable resistor. The slider divides it into a 3.0 kΩ section at the top and a 9.0 kΩ section at the bottom. The output is taken across the 9.0 kΩ section. What is the output voltage?
- 3.0 V
- 4.0 V
- 9.0 V
- 12 V
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