The circuit of fig. uses an ideal OP_Amp for small positive values of V_in, the circuit works as

If the transistors in fig. has high value of β and a v_BE of 0.65, the current I flowing through the 2 kilo ohms resistance will be ______.

An n-channel JFET has a pinch-off voltage of V_p = -5V. V_DS(max) = 20V and g_m = 2mA/V. The minimum 'ON' resistance is achieved in the JFET for

The JFET in the circuit shown in fig. has an I_DSS = 10mA and V_p = -5V. The value of the resistance R_s for a drain current I_DS = 6.4mA is (select the Nearest value).