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a c<br />

SECTION 15.7 Admittance and Susceptance<br />

24. Find the total admittance and impedance of the circuits of<br />

Fig. 15.134. Identify the values of conductance and susceptance,<br />

and draw the admittance diagram.<br />

Y T<br />

Z T<br />

Y T<br />

Z T<br />

(a)<br />

10 � 60 �<br />

(d)<br />

R = 47 �<br />

Y T<br />

Z T<br />

Y T<br />

Z T<br />

(b)<br />

X L = 200 �<br />

25. Find the total admittance and impedance of the circuits of<br />

Fig. 15.135. Identify the values of conductance and susceptance,<br />

and draw the admittance diagram.<br />

Y T<br />

Z T<br />

R = 3 �<br />

(a)<br />

X L = 8 �<br />

26. Repeat Problem 6 for the parallel circuit elements that<br />

must be in the closed container for the same voltage and<br />

current to exist at the input terminals. (Find the simplest<br />

parallel circuit that will satisfy the conditions indicated.)<br />

Y T<br />

Z T<br />

PROBLEMS ⏐⏐⏐ 701<br />

YT 22 � 6 � 22 �<br />

3 k� 6 k� 9 k�<br />

40 �<br />

(b)<br />

(e)<br />

FIG. 15.134<br />

Problem 24.<br />

70 �<br />

20 �<br />

FIG. 15.135<br />

Problem 25.<br />

Y T<br />

Z T<br />

Y T<br />

Z T<br />

Z T<br />

0.2 k�<br />

(c)<br />

(c)<br />

X C = 0.6 �<br />

0.5 k�<br />

(f)<br />

0.6 k�

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