GATE 2024 Subject Name Foundation Quiz 64

The op amp configuration shown below has following transfer function  s. The feedback resistance used has 1.5 MΩ , the value of capacitance will be ___________ µf.

The following circuit has R = 10kΩ, C = 10μF. The input voltage is a sinusoid at 50Hz with an rms value of 10V. Under ideal conditions, the current i_s from the source is

For an op-amp based standard RC phase shift oscillator, the frequency of oscillations is:

A voltage Controlled oscillator is designed by using a varactor diode as shown in figure. Capacitance of diode is considered to be 0.5 μF. Calculate the frequency of oscillator in kHz?

The Hartley oscillator shown in figure. The mutual inductance between L₁ and L₂ is M = 20 μH, what is the value of frequency for oscillations (in KHz)?