Consider the circuit in the drawing. ( R 1 = 4.0 ? , R 2 = 18 ? , V 1 = 34.0 V.)

Question

Consider the circuit in the drawing. (R1 = 4.0 ?, R2 = 18 ?, V1 = 34.0 V.)

    (a) Determine the magnitude of the current in the circuit.
          A
    
    (b) Determine the magnitude of the voltage between the points labeled A and B.
          V

WORK &&& ANSWER PLEASEEEE! I DON'T GET IT!!!!

Consider the circuit in the drawing. (R1 = 4.0 ?, R2 = 18 ?, V1 = 34.0 V.) Determine the magnitude of the current in the circuit. Determine the magnitude of the voltage between the points labeled A and B.

Explanation / Answer

i = emf/Req = (34-10)/(12+8+18+4) = 0.57143 A

b)

VA + V1 - i R2 = VB

==> VA _ VB = 34 - 0.57143*18 = 23.7 V

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