Question: Please write solutions for the questions below: fB. A 9-0 resistor and a variable resistor of resistance R are placed in parallel. The expression for

Please write solutions for the questions below:


\fB. A 9-0 resistor and a variable resistor of resistance R are placed in parallel. The expression for the resulting resistance RT is given by RT 2 Determine the limiting value of RT as Rrco. 9+R' The limiljng value of RT is 9 [Simplify your answer.)
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