Answer to Question 4

BACK

The resistance of the thermistor is 10 ohms, while the current is 50 mA

The voltage across the thermistor = 10 50 10-3 = 0.5 V

The voltage across the limiting resistor = 12 - 0.5 = 11.5 V

Resistance of the limiting resistor = 11.5 50 10-3 = 230 W