PH-1049
Resistance
Physics · Secondary 4 · Hard · Resistance
At 0.9 V, the current through a diode is 6.0 mA. At 1.0 V, the current is 9.0 mA. Which statement about the resistance of the diode between these two points is correct?
- The resistance decreases because the current increases faster than the voltage.
- The resistance increases because the voltage increases.
- The resistance stays constant because the diode obeys Ohm’s law.
- The resistance cannot be found without knowing the power.
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