3. Using nodal analysis find the current through resistor the R2 flowing left to

Question

3. Using nodal analysis find the current through resistor the R2 flowing left to right. 4. Using mesh analysis find the current through resistor the R2 flowing left to right.

Explanation / Answer

3)using nodal analysis, there are one nodes, assume nodal voltage as V1, apply kcl at node.. (V1+9)/1200+V1/8200+(V1-6)/(9100+1100)=0 =>V1=--6.56V current through R2 is given by.. i1=V1/R2=-0.8mA 4)using mesh analysis... assume two loop currents as i2 and i3... apply kvl in the first loop, 6=9100i2+8200(i2-i3)+1100i2 apply kvl in the second loop... 9=8200(i3-i2)+1200i3 on solving both equations, u get i2=1.23mA,i3=2.03mA then the current through R2 is given by,, i4=i2-i3=1.23-2.03=0.8mA please ask me if you've any doubt... i'll help you out...

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