Multiple choice questions. I chose my best answers, but I don\'t know if it is c

Question

Multiple choice questions. I chose my best answers, but I don't know if it is correct. If it's wrong then my calculations will be wrong as well. Any input appreciated. Thanks

Select the loop rule equation (counterclockwise) for the outer loop shown in (Figure 1). Select the loop rule equation (clockwise) for the lower loop. Select the junction rule equation for the circuit. Use these equations to determine the current I1 of the circuit for the case in which R1=0 ,R2= ,R3=9.0 , and =60.0 V. Express your answer to two significant figure and include the appropriate units. Determine the current I3 of the circuit for the case in which R1 = 0 , R2 = 18 , R3=9.0 , and =60.0 V. Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

1. C

2. B

3. B

4. 10 A

5. (9/27)*10 = 10/3 A

6. 18/27)*10 = 20/3 A

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