Part A Compute the equivalent resistance of the network in (Figure 1) . Express

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Part A

Compute the equivalent resistance of the network in (Figure 1) .

Express your answer in ohms to three significant figures.

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Part B

Find the current in the 1.00 resistor.

Express your answer in amperes to three significant figures.

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Part C

Find the current in the 3.00 resistor.

Express your answer in amperes to three significant figures.

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Part D

Find the current in the 7.00 resistor.

Express your answer in amperes to three significant figures.

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Part E

Find the current in the 5.00 resistor.

Express your answer in amperes to three significant figures.

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Assume that E = 43.0 V . The battery has negligible internal resistance.

Part A

Compute the equivalent resistance of the network in (Figure 1) .

Express your answer in ohms to three significant figures.

Req =     

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Part B

Find the current in the 1.00 resistor.

Express your answer in amperes to three significant figures.

I =   A  

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Part C

Find the current in the 3.00 resistor.

Express your answer in amperes to three significant figures.

I =   A  

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Part D

Find the current in the 7.00 resistor.

Express your answer in amperes to three significant figures.

I =   A  

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Part E

Find the current in the 5.00 resistor.

Express your answer in amperes to three significant figures.

I =   A  

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Explanation / Answer

A)1 and 3 ohm are in series and 5 and 7 ohm are in series and their equivalent is in parallel

(1+3) = 4 ohm and (5+7) =12 ohm are in parallel

R(equi) = R1R2/R1+R2 = 4*12/ (4+12) = 3 ohm

current through the circuit = V/R = 43/3 = 14.33A

current through the 1 and 3 ohm = 14.33 * (12) / (12+4) = 10.7475

current through the 5 and 7 ohm resistor = 14.33* 4/(12+4) = 3.5825 A

A) 3 ohm B) , C) 10.7475 A D),E) 3.5825 A

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