Power Electronics - Engineering

Q1:

The characteristics of a non-linear resistance is i = kv4. If i becomes 100 times, v becomes

A about 100 times

B about 10 times

C about 3 times

D about twice

ANS:C - about 3 times

v ∝ (i)1/4 ∝ (100)1/4 ≈ 3.