2.21 The current i, in the circuit in Fig. P2.21 is 1 A.

a) Find i,.

b) Find the power dissipated in each resistor.

c) Verify that the total power dissipated in the cir-

cuit equals the power developed by the 150 V

source.

Figure P2.21

150 V

40

w

50

650

100

w

250

2.22