4. (10 points) Use Ohm's law to solve the following problems.

a. Determine V, in the following circuit.

b. Determine V₂ in the following circuit.

1.2 A

(0.1V₂) A

12 V

e. Determine, in the following circuit.

10 mA (

50

+ V₁ -

(0.1V₁) A

50

*

100

ww

4 KQ

202

20

20

d. How much power is dissipated by the Bk2 resistor in part c?

2.5 A

40

19 V

8 kn