Resistors in Parallel

The questions below are due on Sunday March 10, 2019; 11:00:00 PM.

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This problem is intended to help you build up some intuition about resistors in parallel and should be done without a calculator. The questions below refer to the following two circuits:

If R_1 = R_2 = 118\Omega, for what value of R_3 (in Ohms) will i_{s1} = i_{s2}?

R_3 =~

If R_1 = 136\Omega, and R_2 = 10K\Omega, for approximately what value of R_3 (in Ohms) will i_{s1} = i_{s2}?

R_3 =~

If R_1 = 166\Omega, and R_2 = 1\Omega, for approximately what value of R_3 (in Ohms) will i_{s1} = i_{s2}?

R_3 =~