Problem 19.50 Correct The batteries shown in the circuit in (Eigure 1) have negl

Question

Problem 19.50 Correct The batteries shown in the circuit in (Eigure 1) have negligibly small internal resistances. Assume that 800 V and R 225 Part B Find the current through the 22 5 resistor Express your answer in amperes to three significant figures 1 0.134A MyAnswers Give Up Correct Significant Figures Feedback: Your answer 0.133 A was either rounded differenty or used a diferent required for this part Part C Find the current through the 8.00 V battery. Express your answer in amperes to three significant figures. 1 0.133 30.0 5.00 v Incorrect; Try Again; 5 attempts remaining

Explanation / Answer

Use Kirchoff's voltage law on the right loop

so, 5 - (22.5)(i1) - [i2 - i1](30) = 0

=> 5 - (22.5)(0.134) - [i2 - 0.134](30) = 0

=> i2 = 0.401 A

this is the current through the 8 volt battery.

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