Physics-
General
Easy
Question
We know that the amplitude of oscillating system becomes maximum, when the applied frequency is equal to the intrinsic frequency of system. And this concept can be applied even in electrical a.c circuits containing 
and 
It is being such that when the frequency of broad casting station becomes equal to frequency of radio circuit, then the impedance (equivalent resistance) of circuit becomes minimum and maximum current flows in the circuit with the result the radio station is tuned its impedance is given by
and 
Now in the given circuit as shown, at a certain moment of the values of voltages and current are given The current in the circuit is
- in phase with applied voltage
- ahead in phase with applied voltage
- lagging in phase with applied voltage
- having variable phase with applied voltage
The correct answer is: lagging in phase with applied voltage
Related Questions to study
physics-
We know that the amplitude of oscillating system becomes maximum, when the applied frequency is equal to the intrinsic frequency of system. And this concept can be applied even in electrical a.c circuits containing L,C and R. It is being such that when the frequency of broad casting station becomes equal to frequency of radio circuit, then the impedance (equivalent resistance) of circuit becomes minimum and maximum current flows in the circuit with the result the radio station is tuned its impedance is given by
and
Now in the given circuit as shown, at a certain moment of the values of voltages and current are given The value of applied peak voltage is
We know that the amplitude of oscillating system becomes maximum, when the applied frequency is equal to the intrinsic frequency of system. And this concept can be applied even in electrical a.c circuits containing L,C and R. It is being such that when the frequency of broad casting station becomes equal to frequency of radio circuit, then the impedance (equivalent resistance) of circuit becomes minimum and maximum current flows in the circuit with the result the radio station is tuned its impedance is given by
and
Now in the given circuit as shown, at a certain moment of the values of voltages and current are given The value of applied peak voltage is
physics-General
physics-
The potential different across a 2H inductor as a function of time is shown in figure. At time t=0, current is zero Current versus time graph across the inductor will be
The potential different across a 2H inductor as a function of time is shown in figure. At time t=0, current is zero Current versus time graph across the inductor will be
physics-General
physics-
The potential different across a 2H inductor as a function of time is shown in figure. At time t=0, current is zero Current at t=2s is
The potential different across a 2H inductor as a function of time is shown in figure. At time t=0, current is zero Current at t=2s is
physics-General
physics-
For the circuit shown in figure, the current through the inductor is 1.6 amp. While the current through the condenser is 0.4 amp. Then
For the circuit shown in figure, the current through the inductor is 1.6 amp. While the current through the condenser is 0.4 amp. Then
physics-General
physics-
In a parallel LCR circuit shown in figure, at resonance,
In a parallel LCR circuit shown in figure, at resonance,
physics-General
physics-
Which of the following plots may represent the reactance of a series LC combination
Which of the following plots may represent the reactance of a series LC combination
physics-General
physics-
The figure shows variation of 
and 
with frequency f in a series L,C,R circuit. Then for what frequency point, the circuit is inductive
The figure shows variation of and with frequency f in a series L,C,R circuit. Then for what frequency point, the circuit is inductive
physics-General
physics-
The graphs given below depict the dependence of two reactive impedances 
and 
on the frequency of the alternating e.m.f. applied individually to them. We can then say that
The graphs given below depict the dependence of two reactive impedances and on the frequency of the alternating e.m.f. applied individually to them. We can then say that
physics-General
physics-
When an ac source of e.m.f. 
is connected across a circuit, the phase difference between the e.m.f. e and the current 
in the circuit is observed to be 
, as shown in the diagram. If the circuit consists possibly only of RC or LC in series, find the relationship between the two elements
When an ac source of e.m.f. is connected across a circuit, the phase difference between the e.m.f. e and the current in the circuit is observed to be , as shown in the diagram. If the circuit consists possibly only of RC or LC in series, find the relationship between the two elements
physics-General
physics-
Find the rms and average value of the wave-form shown in figure.
Find the rms and average value of the wave-form shown in figure.
physics-General
physics-
The current 'i' in an inductance coil varies with time 't' according to following graph
Which one of the following figures shows the variations of voltage in the coil
The current 'i' in an inductance coil varies with time 't' according to following graph
Which one of the following figures shows the variations of voltage in the coil
physics-General
physics-
Figure shows a typical circuit for low-pass filter. An AC input 
=10mV is applied at the left end and the output 
is received at the right end. Find the output voltage for v=10kHz,100kHz,
Figure shows a typical circuit for low-pass filter. An AC input =10mV is applied at the left end and the output is received at the right end. Find the output voltage for v=10kHz,100kHz,
physics-General
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When an Ac source of emf 
is connected across a circuit, the phase difference between the emf E and the current I in the circuit is observed to be , as shown in the fig. If the circuit consists only of R-C (or) R-L (or) L-C series. Possible values of the elements of the circuit are
When an Ac source of emf is connected across a circuit, the phase difference between the emf E and the current I in the circuit is observed to be , as shown in the fig. If the circuit consists only of R-C (or) R-L (or) L-C series. Possible values of the elements of the circuit are
physics-General
physics-
The following series L-C-R circuit, when driven by an e.m.f. source of angular frequency 70 kilo - radians per second, the circuit effectively behaves like
The following series L-C-R circuit, when driven by an e.m.f. source of angular frequency 70 kilo - radians per second, the circuit effectively behaves like
physics-General
chemistry-
The decreasing order of bond length of 
in the following compounds is:
The decreasing order of bond length of in the following compounds is:
chemistry-General
