The current $i$ in this circuit is

A$)1$ A

B$)2$ A

C$)-2A$

D$)0$ A

E$)$ none of the above.

$6.$

The current I in this circuit is:

A$)1$ A

B$)2A$

C$)3$ A

D$)\frac{20}{7}A$

E$)$ none of the above.

$7.$

A current source and voltage source are connected in parallel. Between $($a$)$ and $($b$)$ this circuit behaves like

A$)$ A resistor

B$)$ A current source

C$)$ A dependent source

D$)$ A voltage source

E$)$ none of the above

$8.$

The equivalent resistance between $($a$)$ and $($b$)$ is

A$)1$

B$)-3$

C$)3$

D$)1$

E$)$ none of the above.

$3/10$