Can someone help me solv these problem no need for show of w

Can someone help me solv these problem no need for show of work just need the MC answers.

Solution

1.

equivalent resistance

1/R_eq = 1/100 + 1/200+1/200

R_eq=50 ohms

2.

Current across R2 is

I₂=V/R₂ = 12/200

I₂=0.06 A

3.

It would not change

I₂=V/R₂ = 12/200

I₂=0.06 A