A circut is constracted with 5 resistorrs and a battery Circuit 2 with Resistors

Question

A circut is constracted with 5 resistorrs and a battery

Circuit 2 with Resistors and a Battery 2 3 4 5 6 A circuit is constructed with five resistors and a battery as shown. The values for the resistors are: R R5 760, R2 143 0, R3 108 0, an R4 139 Q. The battery voltage is V 12 1) What is Rab, the equivalent resistance between points a and b? Submit What is R the equivalent resistance between points a and c? ac Submit Q 3) What is ls, the current that flows through resistor R5? A Submit 4) What is 12, the current that flows through resistor R2? A Submit O 5) What is l1, the current that flows through the resistor R1? A Submit 6) What is V4, the voltage across resistor R4? V Submit

Explanation / Answer

12- 152(i1 + i2) - 251(i1) = 0

12 = 403i1 + 152i2

12 - 152(i1+i2) - 139i2 = 0

12 = 152i1 + 291i2 = 0

solving

we get i1 = 0.0177A , i2 = 0.032A

Rab and R4 in parallel

Rab4 = Rab*R4/R4+Rab = 251*139/(251+139) = 89.46 ohm

Rac = Rab4 + R1 = 89.46+76 = 165.46 ohms

so a)251 omega

b)165.46 omega

c)0.0497A

d)0.0177A

e)0.0497A

f)(0.032)139 = 4.448V

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