railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Analog Electronics Op-Amp and Its Applications
निम्नलिखित में से आदर्श OP-AMP की विशेषता कौन सी है?
1
Ri = ∞, A = ∞, R0 = 0
2
Ri = 0, A = ∞, R0 = 0
3
Ri = ∞, A = ∞, R0 = ∞
4
Ri = 0, A = ∞, R0 = ∞