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Draw your own circuit with four resistors (50 Ω, 100 Ω, 120 Ω, ,140 Ω).  Try to...

Draw your own circuit with four resistors (50 Ω, 100 Ω, 120 Ω, ,140 Ω).  Try to make some resistors in parallel with each other, and others in series with each other. Find the equivalent resistance of your circuit.

If you want extra practice, attach a 3V battery to your circuit and find the current through each resistor and the electric potential across each resistor.

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