Assume that R 1 = 45 , R 2 = 77 , R 3 = 20 , R 4 = 78 , R 5 = 12 , and R 6 = 30

Question

Assume that R1 = 45 , R2 = 77 , R3 = 20 , R4 = 78 , R5 = 12 , and R6 = 30 .

Part A

Find the equivalent resistance of the combination shown in (Figure 1) .

Express your answer in ohms to two significant figures.

Part B

Find the equivalent resistance of the combination shown in (Figure 2) .

Express your answer in ohms to two significant figures.

Part C

Find the equivalent resistance of the combination shown in (Figure 3) .

Express your answer in ohms to two significant figures.

Part D

Find the equivalent resistance of the combination shown in (Figure 4) .

Express your answer in ohms to two significant figures.

Explanation / Answer

As we know that

Part A)

(5||R1) || 12 || 25

Equivalent resistance = 2.893890675 ohm

Part B)

25||R2 + 9 + 18

Equivalent resistance = 45.87254902 ohm

Part C)

19 + ((20+15) || 32 || 14 ) + (78||45) + 24

19 + (7.619047619) + 28.53658537 + 24

79.15563298 ohm

Part D)

{(12+13+14) || R6 } + 11

{39 || R6} + 11

16.95652174 + 11

27.95652174 ohm

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