Related Questions

What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?
A 1
B >1
C None of these
A sinusoidal variation in the input passing through a linear first order system
A Becomes more oscillatory (frequency increases)
B Becomes less oscillatory (frequency decreases)
C Gets amplified (magnitude increases)
D Gets attenuated (magnitude decreases)
Phase lag of the frequency response of a second order system to a sinusoidal forcing function
A Is 30°
B Is 90° at the most
C Approaches 180° asymptotically
D Is 120°
Phase lag of the sinusoidal response of a first order system is
A 120°
B 30°
C 180°
D 90°
If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?
A green
B black
C red
D yellow
The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees.
A 90
B 60
C 45
D 30
Polyphase is characterized by two or more sinusoidal voltages, each having a different phase angle.
A True
B False
Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by
A Certain constant phase angles
B Certain constant frequencies
C Certain constant voltages
D Certain constant currents
It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to
A f
B $$\frac{1}{{\text{f}}}$$
C $$\frac{1}{{{{\text{f}}^2}}}$$
D f2
একটি পরিবর্তনশীল বিভব V(t)-এর গড় বর্গমূল মান 200 V । এটির সর্বোচ্চ মান (A sinusoidal voltage V(t) has an rms value of 200 V. Its maximum value is)
A 141 V
B 200 V
C 282 V
D 400 v

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