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1) In the circuit shown it is known that the current through resistor R1 to be I

ID: 2151445 • Letter: 1

Question

1) In the circuit shown it is known that the current through resistor R1 to be I1=6A in the direction shown.


(a) Write down the loop equation for loop abfga. Travel the loop clockwise. Find the value of I4.

(b) Write down the node equation at node h. Find the value of I3.

(c) Write down the loop equation for loop bcdhb. Travel clockwise. Find the value of I2.

(d) Determine I and I5.

(e) Calculate the potential difference Vad=Va-Vd.

(f) Calculate the power delivered by the battery and the total power dissipated in the resistors.


Explanation / Answer

a)14=I1*1+I4*2 I4=14-6=8/2 =4A b)I1=I3+I4 I3=2 A c)I1*1+I3*1-I2*2=0 6+2/2=I2 I2=4 A

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