Signals & Systems Set 1

A circuit tuned to a frequency of 1.5 MHz and having an effective capacitance of 150 pF. In this circuit, the current falls to 70.7 % of its resonant value. The frequency deviates from the resonant frequency by 5 kHz. Q factor is?

In a series RLC circuit for lower frequency and for higher frequency, power factors are respectively ______________

A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 50. If R and L are doubled and C is kept same, the new Q of the circuit is ____________

Which one most appropriate dynamic system?

An energy signal has G(f) = 10. Its energy density spectrum is

In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20