$1.(1)$ Given an amplifier with a voltage gain of A$\_\{$v$\}$ and a negative feedback of k around it$,$ if the system is to oscillate, the condition to be satisfied is that

$($ii$)$ For a precision full wave rectifier, the VTC is given by the expression, vo$,$ for all v i$*$

$($iii$)$ The input bias current of an operational amplifier is defined as l$\_\{$B$\}=$

$($iv$)$ For small signal operation, the bandwidth of an amplifier is usually determined by the $---.$

$($v$)$ If the CMRR of an instrumentation amplifier with a differential gain common mode gain is dB$,$ of $10$ is $100$ dB$,$ the Ad

$($vi$)$ A circuit is found to have the Voltage Transfer Characteristic operates as a v o $=$ v l ; v$\_\{$l$\}<0\backslash \backslash -$v l ;v l $>0$ The circuit

$($vii$)$ A difference amplifier has a differential gain of $10^2$ and a CMRR of $80$ dB$.$ If the inputs are V$\_\{1\}1$ mV and V$\_\{2\}=1\mathrm{.}2|$ mV$,$ the output of the amplifier $=$ V

$($viii$)$ The $$A$741$ with a unity gain bandwidth product of $2$ MHz$,$ is used in an amplifier. Assuming small signal operation, the bandwidth of the amplifier when used with a gain $($A$,)$ of $40$ dB would bekHz. $($

ix$)$ In a current amplifier, due to the negative feedback employed, the output impedance the input impedance and