An electric lamp is designed to operate at 110 V dc and 11 A current. If the lamp is operated on 220 V, 50 Hz ac source with a coil in series, then find the inductance of the coil.

Inductive Reactance in AC Circuit, Impedance of LCR Circuit | PadhAiPro

Question

TextInductive Reactance in AC CircuitImpedance of LCR CircuitCBSE PYQ

Similar Questions

A resistor and a capacitor are connected in series to an ac source v = vm sin ωt. Derive an expression for the impedance of the circuit.

TextCapacitive Reactance in AC CircuitImpedance of LCR Circuit

When does an inductor act as a conductor in a circuit ? Give reason for it.

Text

Inductive Reactance in AC Circuit

Figure shows the variation of inductive reactance X_L of two ideal inductors of inductance L₁ and L₂, with angular frequency ω. The value of L₁/L₂ is

MCQ (Single)Inductive Reactance in AC Circuit

Mention the factors on which the resonant frequency of a series LCR circuit depends. Plot a graph showing variation of impedance of a series LCR circuit with the frequency of the applied a.c. source.

TextImpedance of LCR CircuitResonance in Series LCR Circuit

Establish the expression for impedance of circuit when elements X, Y and Z are connected in series to an ac source. Show the variation of current in the circuit with the frequency of the applied ac source.

TextImpedance of LCR Circuit

A coil of resistance 20 Ω and self-inductance 10 mH is connected to an ac source of frequency 1000/π Hz. The phase difference between current in the circuit and the source voltage is :

MCQ (Single)Inductive Reactance in AC CircuitImpedance of LCR Circuit