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प्रश्न
A parallel LC resonant circuit is used as ______
पर्याय
a tunning circuit in a television receiver set.
a transformer
a rectifier
a filter circuit
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उत्तर
A parallel LC resonant circuit is used as a filter circuit.
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संबंधित प्रश्न
In a series LCR circuit at resonance, the applied emf and current are - ______
In the LCR series circuit, what is the condition for current resonance?
In the LCR series circuit, what are the (a) impedance and (b) reactance at current resonance?
Obtain the expression for the resonant frequency of the LCR series circuit and explain electrical resonance in an LCR series circuit.
In an LCR circuit, at resonance ______
Out of the following graphs, which graph shows the correct relation (graphical representation) for LC parallel resonant circuit?
In series resonance, LCR circuit, below the resonant frequency, the circuit is ____________.
An A.C. voltage of r.m.s. value 0.1 V is applied to an LCR series circuit in which L = 100 µH and C = 9 x 10-8 F and R = 2 `Omega`. The resonant frequency will be ____________.
A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillation of frequency f. If L is doubled and C is changed to 4C, the frequency will be ____________.
In a resonance tube, first and second resonance positions occur respectively at 28 cm and 88 cm. If the frequency of the fork is 300 Hz, then the speed of sound is ____________.
Out of the following graphs which graph shows the correct relation for LC parallel resonant circuit?
In rejector circuit, above resonant frequency the circuit is ____________.
A coil of 16 mH and a capacitor of 10 µF are in series with an A.C source along with 5 `Omega` resistances. If inductive reactance is equal to capacitive reactance, then the angular frequency (in rad/s) of source is ____________.
The resonant frequency of a series LCR circuit is 'f'. The circuit is now connected to the sinusoidally alternating e.m.f of frequency '2f'. The new reactance X'L and X'C are related as ____________.
An a.c. source of variable frequency 'f' is connected to an LCR series circuit. Which one of the graphs represent the variation of current 'I' in the circuit with frequency 'f'?
In LC parallel resonance circuit, choose the correct statement.
What is an acceptor circuit?
A coil of resistance 5 Ω and self inductance 0.2 H is connected in series with variable capacitor across a 30 V(rms), 50 Hz supply. (i) At what capacitance resonance occur? (ii) Find the corresponding current.
Find the reactance of a coil of inductance 100 mH at a frequency of 50 Hz.
In LCR series circuit, the condition for current resonance is ______.
What are the Uses of rejector circuit?
