Rheostat Resistance, engineering assignment help

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OyhrBprna

Engineering

Description

A 72 ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential of wire is 115 volts, what is the rheostat resistance when power taken by the coil is 90 watts?

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Explanation & Answer

I attached a file with the answer.Please check it. :)Let me know if you have any questions! If not, please feel free to contact me again with future questions. :)

Question:
A 72 ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose
resistance can be varied from 0 to 88 ohms. If the line potential of wire is 115 volts, what is the
rheostat resi...


Anonymous
This is great! Exactly what I wanted.

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