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प्रश्न
A parallel LC resonant circuit is used as ______
विकल्प
a tunning circuit in a television receiver set.
a transformer
a rectifier
a filter circuit
उत्तर
A parallel LC resonant circuit is used as a filter circuit.
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संबंधित प्रश्न
A series LCR resonant circuit is used as ______
In the LCR series circuit, what is the condition for current resonance?
State any one characteristic of a parallel LC AC resonance circuit.
State any two characteristics of a series LCR AC resonance circuit.
In the LCR series circuit, what are the (a) impedance and (b) reactance at current resonance?
A coil of resistance 10 Ω and inductance 100mH and a capacitor of variable capacitance are connected across a 20V, 50Hz A.C. supply. At what capacitance will resonance occur?
Obtain the expression for the resonant frequency of the LCR series circuit and explain electrical resonance in an LCR series circuit.
A parallel plate air condenser of capacity 10 µF is charged to a potential of 1000 V. The energy of the condenser is ______
In series resonance, LCR circuit, below the resonant frequency, the circuit is ____________.
In parallel resonance, the current will be minimum, when ____________.
In LCR circuit, the capacitance is changed from C to 4C. For some resonant frequency, the inductance should be changed from L to ____________.
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 ____________.
In series resonant circuit, at resonance, ____________.
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'?
The LCR series and parallel resonant circuits are respectively called as ____________.
In a series resonant circuit, having L, C and R as its elements, the resonant current is i. The power dissipated in circuit at resonance is ______.
In LC parallel resonance circuit, choose the correct statement.
State the use of the 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.
What is a rejector circuit?
