Given the circuit below. R1 is 81 ohms, R2 is 132 ohms, R3 is 245 ohms, and R4 i

Question

Given the circuit below. R1 is 81 ohms, R2 is 132 ohms, R3 is 245 ohms, and R4 is 122 ohms. The potential difference between points a and b is 44 V.

A)What is the equivalent resistance of this circuit? Answer = 31.3 Ohms

B)What is the potential difference across each resistor?Put in the value for R1 followed by a comma, the value for R2 followed by a comma, the value for R3 followed by a comma, and the value for R4.

C)What is the current through each resistor?Put in the value for R1 followed by a comma, the value for R2 followed by a comma, the value for R3 followed by a comma, and the value for R4.

Explanation / Answer

a)

Req = (1/81 + 1/132 + 1/245 + 1/122)-1 = 31.0561026 31.1

b)

44, 44, 44, 44

c)

i = V/R

i1 = 44/81 = 0.543

i2 = 44/132 =0.333

i3 = 44/245 = 0.180

i4 = 44/122 = 0.361

0.543, 0.333, 0.180, 0.361

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