BASIC CONCEPTS

24 CHAPTER 1 BASIC CONCEPTS
1.44 Calculate the power absorbed by each element in the 1.46 In the circuit in Fig. P1.46, element 1 absorbs 40 W, element
1 2
4
2 A 4 A
4 A
+
Figure P1.46
+
24 V + 12 V 6 A 3 + – 6 V
15 V –
circuit in Fig. P1.44. Also verify Tellegen’s theorem is
satisfied by this circuit.
2 supplies 50 W, element 3 supplies 25 W, and ele-
ment 4 absorbs 15 W. How much power is supplied by
element 5?
3I x
24 V
+ –
–+
5
2 A
1 2
2 A
3
4
5
12 V
+ –
6 V
+ –
9 V
- +
–
–
4 A
I x = 2 A
Figure P1.44
1.45 Calculate the power absorbed by each element in the circuit
in Fig. P1.45. Also verify that Tellegen’s theorem is
satisfied by this circuit.
4 A
10 V
+ –
3
5 V
+ –
2
1 A
5 V
+ –
4
3 A
40 V + –
15 V +
+
–
5 A 30 V 4 A 1 A
-
+
–
5 V 1
10 V 5
+
–
Figure P1.45