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प्रश्न
A series LCR resonant circuit is used as ______
विकल्प
A potential divider circuit.
A radio wave transmitter
A source of displacement current
A tunning circuit in a television receiver set.
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उत्तर
A series LCR resonant circuit is used as a tunning circuit in a television receiver set.
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संबंधित प्रश्न
In a series LCR circuit at resonance, the applied emf and current are - ______
A parallel LC resonant circuit is used as ______
In the LCR series circuit, what is the condition for current resonance?
State any two characteristics of a series LCR AC resonance circuit.
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.
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 ____________.
In the given electrical circuit, which one of the following equations is a correct equation?
In LCR circuit, the capacitance is changed from C to 4C. For some resonant frequency, the inductance should be changed from L to ____________.
At what frequency (approximate) will the inductive reactance of 4 H inductance be equal to the capacitive reactance of 4 µF capacitance?
Out of the following graphs which graph shows the correct relation for LC parallel resonant circuit?
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 ____________.
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.
An electric lamp connected in series with a capacitor and an AC source glows with a certain brightness. (a) How does the average power change on increasing the capacitance? (b) How does the brightness of the lamp change on increasing the capacitance?
What is an acceptor circuit?
Find the reactance of a coil of inductance 100 mH at a frequency of 50 Hz.
What is a rejector circuit?
