Question: If I 1 = 4 0 mAI _ 1 = 4 0 , text { mA } I 1 = 4 0 mA

If I1=40mAI_1=40\,\text{mA}I1=40mA, R4=4kR_4=4\,\text{k}\OmegaR4=4k, R5=5kR_5=5\,\text{k}\OmegaR5=5k, R6=4kR_6=4\,\text{k}\OmegaR6=4k, R7=7kR_7=7\,\text{k}\OmegaR7=7k, R8=1kR_8=1\,\text{k}\OmegaR8=1k. The values of resistors R2R_2R2 and R3R_3R3 are unknown. Using a voltmeter, it is found that V5=20VV_5=20\,\text{V}V5=20V across R5R_5R5. Find the current, I6I_6I6, flowing through R6R_6R6.
I6=I_6=I6=________ mA\text{mA}mA
V2=V_2=V2=________ VVV
I2=I_2=I2=________ AAA

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