Which of the following is a device which does not allow current to pass through a certain limit?

a) Wire

b) Switch

c) Fuse

d) Plug (more…)

When World Health Organization (WHO) declared end of COVID-19 emergency?

a) May 5, 2020

b) May 5, 2021

c) May 5, 2022

d) May 5, 2023  (more…)