Find the potential difference across each resistor in the figure below. (R_1 = 4

Question

Find the potential difference across each resistor in the figure below. (R_1 = 4.90 Ohm, R_2 = 3.80 Ohm, R_3 = 3.40 Ohm, R_4 = 1.80 Ohm) Apply Kirchhoff's rules to write a set of simultaneous equations that can be solved for the current through the resistor R_3 and then use your results to find the potential difference requested. Apply Kirchhoff's rules to write a set of simultaneous equations that can be solved for the current through the resistor R_4 and then use your results to find the potential difference requested.

Explanation / Answer

3)

i3 = V/ R = (18-3)/( 3.8+3.4+1.8) =15/9 =1.667A

V3 =i3R3 = 1.667 x 3.4= 5.6V

4) V4 = i3 x R4 = 1.667x1.8 = 3.0V

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