Question

7 and 8 go together

7. Determine and draw the Thevenin equivalent circuit to compute the voltage, current and power at the resistor, R, in the circuit below. 32v ( 8. Determine and draw the Norton Equivalent circuit for the circuit in problem #7.

Answer 1

Deternine and the voltage, a chine and draw the mage, current and dri thevinn equivalent circuit to compute . power at the resistor R, in the ciut below 32V WE ) 40 s lans - Te dutamine the voltage across R : 0 Remove , open cirmit the terminals and determine the voltage drop; . 22 10 20 Vh - Thevinin's voltage {lan vn 7! 1 Ta 922 Applying KVL to the loop : 32 - 21 - 4 (1+2) - 121 0 32 -21-41 - 8 - 12 I = 0 24 = 181 I = 24 P = 4 - A 18 6 3 = = I*121 [Vth is the voltage across 12 [htى uth = 4 +12 4 Tuth = 16v resistance, (2) To determine the thevinin's equivalent 0 Short ermit the voltage source 2 open cirmit The current source 6 Determine the resistance across the terminals of р

Redrawing the circuit : 4.12- M fth = 6211122 Rin = 6 + 12 = 6 + 12 6-12 " Thevinin's Equivalent carmit: Power = W Wth Rth = 42 Rh 4 -26v - 16 x 16 4 Power = 64 wall - Determine the Noston's Equivalent Ciremit Remove 't' and short circuit and find : In 3 DA 32 22 I 22 IN in NY Equivalent circuit 24 Applying kul: 0 I +2 IN 32-QIN - 4 (2+IN) = 0 32-QIN-8-4 IN = 0 4. 24 = 6IN IN = 4A

Norton's Current IN = 7 is the same as Current IN = 4A oslons Equivalent resistance Thevinin's Equivalent Resistance . Rth = 42 Noston's Equivalent ciawit Power = IR & 4.2 = 16.4 4 A - 64 watt