Introduction to Electric Circuits

170 Nodal and mesh analysis

10 Obtain the value of the current flowing through resistor R (- 1 ~) in the

circuit of Fig. 7.17

ov(

5f~! R=lfl

" , I!

1-14o

T

5A

Figure 7.17

11 Find the value of the current I flowing through the 40 fl resistor in the

circuit of Fig. 7.18.

Figure 7.18

2O

o ;

2V

12 Calculate (a) the loop currents I~,/2 and 13 and (b) the total power

consumed in the circuit of Fig. 7.19.

Figure 7.19

4f~ t-..6V 1s lf~

! i

10V

J