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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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?
Transcribed Image Text: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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