Answer:
A
Explanation:
Formula for Equivalent Resistance :
[tex]\frac{1}{R} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3}[/tex]
Solving :
[tex]\frac{1}{R} = \frac{1}{10} +\frac{1}{10} +\frac{1}{10}[/tex]
[tex]\frac{1}{R} = \frac{3}{10}[/tex]
[tex]R = \frac{10}{3}[/tex]
R = 3.33 Ω