= 0.75 V,
= 0.56 A
Step-by-step explanation:
Given data:
= 3 V
= 1 Ω
=

Solution:
Using Kirchhoff's voltage law.
The law states that the algebraic addition of potential difference in loop is similar to zero.
-

-
= 0
-

=

3 -
× 1 =

12 - 3
= 4
3 - 3
=
= 3/4
= 0.75 V
=

=
× 0.75
=

= 0.56 A.