0 0 votes Figure shows four electronic switches $(i), (ii), (iii)$ and $(iv)$. Which of the switches can block voltages of either polarity $($applied between terminals $a$ and $b)$ when the active device is in the $OFF$ state? $(i), (ii)$ and $(iii)$ $(ii), (iii)$ and $(iv)$ $(ii)$ and $(iii)$ $(i)$ and $(iv)$ Electrical and Electronic Measurements gate2014-ee-1 duality-switch reverse-saturation-current + – Misbah Ghaya 271 views answer comment Share Follow 0 reply Please log in or register to add a comment.