1. Obtain the equivalent resistance R, for the circuit shown, and use it to find current...
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1. Obtain the equivalent resistance R, for the circuit shown, and use it to find current i and power supplied by the 120 V source. Start by applying a wye-delta transform on the 5, 10, and 20 ohm wye. Then use series-parallel simplifications to get Res. Please be sure to make separate drawings of your intermediate circuits and explain your steps carefully. Hint: Two of the delta resistances are 35 and 17.5 Ohms. The power is -1495 W. 12.5 2 100 120 V 30 2 15 2 20 2 Problem 2. Find Ra for the circuit in the previous problem, but this time begin by using a delta-wye conversion on the delta giving by the 10, 5, and 12.5 ohm resistors. 12.5 a 10 2 120 V 30 2 1S (2 20 2 Problem 3. In the above circuit, identify one other wye network that could be replace with a delta (you can just circle the appropriate resistors), and redraw the circuit showing the delta replacement. You do not have to compute component values. Problem 4. In the above circuit, identify two other delta networks that could be replaced with wyes. Draw the two corresponding circuits showing wye replacements. You do not have to compute component values. ww ww ww ww ww ww ww ww ww 1. Obtain the equivalent resistance R, for the circuit shown, and use it to find current i and power supplied by the 120 V source. Start by applying a wye-delta transform on the 5, 10, and 20 ohm wye. Then use series-parallel simplifications to get Res. Please be sure to make separate drawings of your intermediate circuits and explain your steps carefully. Hint: Two of the delta resistances are 35 and 17.5 Ohms. The power is -1495 W. 12.5 2 100 120 V 30 2 15 2 20 2 Problem 2. Find Ra for the circuit in the previous problem, but this time begin by using a delta-wye conversion on the delta giving by the 10, 5, and 12.5 ohm resistors. 12.5 a 10 2 120 V 30 2 1S (2 20 2 Problem 3. In the above circuit, identify one other wye network that could be replace with a delta (you can just circle the appropriate resistors), and redraw the circuit showing the delta replacement. You do not have to compute component values. Problem 4. In the above circuit, identify two other delta networks that could be replaced with wyes. Draw the two corresponding circuits showing wye replacements. You do not have to compute component values. ww ww ww ww ww ww ww ww ww
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Related Book For
Fundamentals of Electric Circuits
ISBN: 9780073301150
3rd edition
Authors: Matthew Sadiku, Charles Alexander
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