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The angular frequency of alternating current in a L-C-R circuit is 100 rad s-1. The components connected are shown in the figure. Find the value of inductance of the coil and capacity of condenser.

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Important Questions on Electromagnetic Induction and Alternating Currents

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JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 25 Feb 2021 Shift 1>Q 46
A coil of inductance 2 H having negligible resistance is connected to a source of supply whose voltage is given by V=3t volt. (where t is in second). If the voltage is applied when t=0, then the energy stored in the coil after 4 s in J,
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 25 Feb 2021 Shift 1>Q 47
A transmitting station releases waves of wavelength 960 m. A capacitor of 2.56 μF is used in the resonant circuit. The self-inductance of coil necessary for resonance is x×10-8 H. Find x
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JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 25 Feb 2021 Shift 2>Q 48
An L.C.R. circuit contains resistance of 110 Ω and a supply of 220 V at 300 rad s-1 angular frequency. If only capacitance is removed from the circuit, current lags behind the voltage by 45°. If on the other hand, the only the inductor is removed the current leads by 45° with the applied voltage. The R.M.S. current flowing in the circuit will be:
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JEE Main
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 26 Feb 2021 Shift 1>Q 49
An alternating current is given by the equation i=i1sinωt+i2cosωt. The rms current will be:
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JEE Main
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 26 Feb 2021 Shift 1>Q 50
In a series LCR resonant circuit, the quality factor is measured as 100. If the inductance is increased by two fold and resistance is decreased by two fold, then the quality factor after this change will be _______
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 26 Feb 2021 Shift 2>Q 51

Find the peak current and resonant frequency of the following circuit (as shown in figure).

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JEE Main
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 26 Feb 2021 Shift 2>Q 52
An aeroplane, with its wings spread 10 m, is flying at a speed of 180 km h-1 in a horizontal direction. The total intensity of earth's field at that part is 2.5×10-4 Wb m-2 and the angle of dip is 60°. The EMF induced between the tips of the plane wings will be
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Induction and Alternating Currents>JEE Main - 2 September 2020 Shift 1>Q 53
A circular coil of radius 10 cm is placed in a uniform magnetic field of 3.0×10-5 T with its plane perpendicular to the field initially. It is rotated at constant angular speed about an axis along the diameter of coil and perpendicular to magnetic field so that it undergoes half of rotation in 0.2 s. The maximum value of EMF induced (in μV) in the coil will be close to the integer....