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GATE EC 2021: Analog Circuits Quiz 12 (App update required to attempt this test)

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Question 1

For the circuit in figure, if the value of the capacitor C is doubled, the duty cycle of the output waveform Vo

Question 2

Consider an op-amp circuit shown below figure.

The above op-amp circuit exhibits which type of filtercharacteristics (Assume all op-amps are ideal).

Question 3

Consider the given circuit shown below and find its cutoff frequency (in KHz)

Question 4

consider the 555 time configured in the astable mode (oscillation) is shown below. For this find the frequency of the output and duty cycle?

Question 5

If R1C1 <<R2C2, then the below op-amp circuit shows what type of filter characteristics (Assume all op-amps are ideal)

Question 6

A 555-timer is used as an astable multivibrator. The capacitor used is of 15 nF value. The value of resistors for a frequency of 20 kHz and a duty cycle of 0.8 for output voltage waveform are
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