in Test Bank-St- m 76510 points I Previous Answers sercP10 18 p022. My Nones Fou

Question

in Test Bank-St- m 76510 points I Previous Answers sercP10 18 p022. My Nones Four resistors are connected to a battery with a terminal voltage of 12 v, as shown in the figure below. (Assume Ri 25.0 n and R2 86.0 a) ANN 20.0 n (a) How would you reduce the circuit to an equivalent single resistor connected of the circuit. to the battery? Use this procedure to find the equivalent resistance (b) Find the current delivered by the battery to this equivalent resistance. Determine the power delivered by the battery. (c) Determine the power delivered to the 50.0-n nesustor. Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully w

Explanation / Answer

here,

V = 12 V

R1 = 25 ohm , R2 = 86 ohm

current delivered , I = 0.2 A

voltage drop across R2 , V2 = V - I * 20

V2 = 12 - 0.2 * 20 = 8 V

as potential difference in parallel is same

current across 50 ohm , I1 = (V2 /(R1 + 50)) = 8 /( 25 + 50) = 0.11 A

the power delivered to 50 ohm , P = I1^2 * 50 = 0.11^2 * 50 = 0.57 W

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