Determine the resistance of room temperature
Response to the following problem :
If the 10-k Ω resistor of Fig. is exactly 10 k Ω at room temperature, what is its approximate resistance at -30°C and 100°C (boiling)?
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Show the connections required to establish 4 k O between the wiper arm and one outside terminal of a 10-kO potentiometer while having only zero ohms .
What is the resistance between the wiper arm and each terminal if the total resistance is 25 kO?
If the resistance between the outside terminals of a linear potentiometer is 10 kO, what is its resistance between the wiper (movable) arm .
What is its approximate resistance at -30°C and 100°C (boiling)?
What is the approximate increase in size from a 1/2-W to a 2-W carbon resistor?
Using the axes of Fig. , sketch the characteristics of a device that has an internal resistance of 500 O from 0 to 1 V and 50O between 1 V and 2 V.
Use a horizontal scale that extends from 0 to 20 V and a vertical axis scaled off in milliamperes.
Sketch the characteristics of a device that has an internal resistance of 20O from 0 to 10 V and an internal resistance of 2 O for higher voltages.
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