Advertisements
Advertisements
प्रश्न
In a series LCR circuit at resonance, the applied emf and current are - ______
विकल्प
Out of phase
Differ in phase by π/4 radian.
Differ in phase by π/2 radian.
In phase
उत्तर
In a series LCR circuit at resonance, the applied emf and current are - In phase.
APPEARS IN
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 parallel plate air condenser of capacity 10 µF is charged to a potential of 1000 V. The energy of the condenser is ______
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 ____________.
If the potential difference across the inductor (9 mH) is same as that across the condenser (10 µF) in a series R-L-C circuit, then the frequency of the applied e.m.f. is nearly ____________.
In the given electrical circuit, which one of the following equations is a correct equation?
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 parallel resonance, the current will be minimum, when ____________.
At what frequency (approximate) will the inductive reactance of 4 H inductance be equal to the capacitive reactance of 4 µF capacitance?
A parallel combination of pure inductor and capacitor is connected across a source of alternating e.m.f. 'e'. The currents flowing through an inductor and capacitor are iL and iC respectively. In this parallel resonant circuit, the condition for currents i, iL and iC is (i = net r.m.s. current in the circuit)
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 ____________.
The LCR series and parallel resonant circuits are respectively called as ____________.
In LC parallel resonance circuit, choose the correct statement.
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 ______.