Using the data in the circuit illustrated above, calculate the value of R

A. 0.02Ω
B. 0.05Ω
C. 5.00Ω
D. 20.00Ω
E. 50.00Ω

Correct Answer: Option E

E. 50.00Ω

Explanation
R = V/T=2v/40×10^−3

= 50.00Ω