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In the series LCR circuit as shown in figure, the voltmeter and ammeter readings are :

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Important Questions on Alternating Current

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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 57
An A.C. voltage source of variable angular frequency ω and fixed amplitude V connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When ω is increased,
 
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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 58
In a circuit, L,C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45°. The value of C is ?
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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 59
In an LCR series A.C. circuit, the voltage across each of the components inductor L, capacitor C and resistor R is 50 V. The voltage across the L.C. combination will be,
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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 60
The phase difference between the alternating current and emf is π2. Which of the following cannot be the constituent of the circuit?
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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 61
An alternating voltage E=2002sin100t is connected to a 1 micro farad capacitor through an AC ammeter. The reading of the ammeter shall be:
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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 62
A 0.21 H inductor and a 88 Ω resistor are connected in series to a 220 V, 50 Hz AC source. The current in the circuit and the phase angle between the current and the source voltage are respectively.(Use π=227)
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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 63
An LCR series circuit with 100 Ω resistance is connected to an AC source of 200 V and angular frequency 300 radians per second. When only the capacitance is removed, the current lags behind the voltage by 60°. When only the inductance is removed, the current leads the voltage by 60°. Then, the current and power dissipated in LCR circuit are, respectively
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Alpha Question Bank for Medical: Physics>Chapter 28 - Alternating Current>Exercise-1>Q 64
A 100 V AC source of angular frequency 500 rad s-1 is connected to an LCR circuit with L=0.8 H, C=5 μF and R=10 Ω all connected in series. The potential difference across the resistance is,