The magnitude response of a normalised Butterworth low pass filter is – McqOptions

MCQOPTIONS

1.	The magnitude response of a normalised Butterworth low pass filter is
A.	linear starting with value of unity at zero frequency and 0.707 at cut off frequency
B.	non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
C.	linear upto cut off frequency and nonlinear thereafter
D.	nonlinear upto cut off frequency and linear thereafter
Answer» B. non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency

Discussion

No Comment Found

Related MCQs

For a high pass filter, β = p in attenuation band.
In attenuation band, β is an odd multiple of p.
For a series RLC circuit bandwidth is ω2 - ω1 = R/2L.
In a series RC circuit Z = (R2 + ω2C2)0.5.
As per Euler's identity ejωt = cos ωt + j sin ωt
μ0 = 8.85 x 10-12F/m.
Resistivity of semiconductors is around 100 &ohm;-m.
Assertion (A): In series R-L-C circuit, the current may lead or lag the voltage depending on the value of R.Reason (R): Phase angle of an R-L series circuit is tan-1 (ωL/R).
Assertion (A): If A = 0.5 ∠ 20°, A2 = 0.25 ∠ 40°.Reason (R): When drawing a phasor diagram, sinusoids may have the same or different frequencies.
Assertion (A): When capacitor is fed by a dc voltage given a capacitor behaves as short circuit at t = 0 and open circuit at f = ∞.Reason (R): The impedance of a capacitor is