Physics-
General
Easy
Question
The reading of ammeter in the circuit shown will be
- 2A
- 2.4 A
- Zero
- 1.7 A
The correct answer is: Zero
Given 
this is the condition of resonance. So 
so net voltage across L and C combination will be zero.
Related Questions to study
Physics-
In the circuit shown in the figure, the ac source gives a voltage 
Neglecting source resistance, the voltmeter and ammeter reading will be
In the circuit shown in the figure, the ac source gives a voltage Neglecting source resistance, the voltmeter and ammeter reading will be
Physics-General
Physics-
In the circuit shown in figure neglecting source resistance the voltmeter and ammeter reading will respectively, will be
In the circuit shown in figure neglecting source resistance the voltmeter and ammeter reading will respectively, will be
Physics-General
Physics-
The diagram shows a capacitor C and a resistor R connected in series to an ac source. 
and 
are voltmeters and A is an ammeter
Consider now the following statements
I. Readings in A and V2 are always in phase
II. Reading in V1 is ahead in phase with reading in V2
III. Readings in A and V1 are always in phase which of these statements are/is correct
The diagram shows a capacitor C and a resistor R connected in series to an ac source. and are voltmeters and A is an ammeter
Consider now the following statements
I. Readings in A and V2 are always in phase
II. Reading in V1 is ahead in phase with reading in V2
III. Readings in A and V1 are always in phase which of these statements are/is correct
Physics-General
Physics-
In the circuit shown below, what will be the readings of the voltmeter and ammeter
In the circuit shown below, what will be the readings of the voltmeter and ammeter
Physics-General
Physics-
In the circuit given below, what will be the reading of the voltmeter
In the circuit given below, what will be the reading of the voltmeter
Physics-General
Physics-
For the series LCR circuit shown in the figure, what is the resonance frequency and the amplitude of the current at the resonating frequency
For the series LCR circuit shown in the figure, what is the resonance frequency and the amplitude of the current at the resonating frequency
Physics-General
Physics-
An inductor L and a capacitor C are connected in the circuit as shown in the figure. The frequency of the power supply is equal to the resonant frequency of the circuit. Which ammeter will read zero ampere
An inductor L and a capacitor C are connected in the circuit as shown in the figure. The frequency of the power supply is equal to the resonant frequency of the circuit. Which ammeter will read zero ampere
Physics-General
Physics-
The current in series LCR circuit will be maximum when w is
The current in series LCR circuit will be maximum when w is
Physics-General
Physics-
A coil has L = 0.04 H and 
. When it is connected to 220V, 50Hz supply the current flowing through the coil, in amperes is
A coil has L = 0.04 H and . When it is connected to 220V, 50Hz supply the current flowing through the coil, in amperes is
Physics-General
Physics-
The inductive reactance of an inductor of 
henry at 50 Hz frequency is
The inductive reactance of an inductor of henry at 50 Hz frequency is
Physics-General
Physics-
The quality factor of LCR circuit having resistance (R) and inductance (L) at resonance frequency (
) is given by
The quality factor of LCR circuit having resistance (R) and inductance (L) at resonance frequency () is given by
Physics-General
Physics-
In the circuit shown below, the ac source has voltage 
volts with = 2000 rad/sec. the amplitude of the current will be nearest to
In the circuit shown below, the ac source has voltage volts with = 2000 rad/sec. the amplitude of the current will be nearest to
Physics-General
Physics-
In an ac circuit, the potential difference across an inductance and resistance joined in series are respectively 16 V and 20 V. The total potential difference across the circuit is
In an ac circuit, the potential difference across an inductance and resistance joined in series are respectively 16 V and 20 V. The total potential difference across the circuit is
Physics-General
Physics-
The resonant frequency of a circuit is f. If the capacitance is made 4 times the initial values, then the resonant frequency will become
The resonant frequency of a circuit is f. If the capacitance is made 4 times the initial values, then the resonant frequency will become
Physics-General
Physics-
An e.m.f.
volt is applied to an LR-circuit of inductance 3 mH and resistance 4 ohms. The amplitude of current in the circuit is
An e.m.f. volt is applied to an LR-circuit of inductance 3 mH and resistance 4 ohms. The amplitude of current in the circuit is
Physics-General
