Combination of Inductors

An a.c. voltage of (V = 100 sin omega t) volt is connected across the parallel combination of inductor and capacitor having ( X_L = 5 Omega) and (X_C = 10 Omega) then current supplied by source is (in ampere)

An ideal choke takes a current of 8A when connected to an a.c. source of 100 volt and 50Hz . A pure resistor under the same conditions takes a current of 10A . If two are connected in series to an a.c. supply of 100V and 40Hz , then the current in the series combination of above resistor and inductor is

An ideal choke takes a current of 10 A when connected to an ac supply of 125 V and 50 Hz. A pure resistor under the same conditions takes a current of 12.5 A. If the two are connected to an ac supply of 100 V and 40 Hz, then the current in series combination of above resistor and inductor is

A light bulb and an inductor coil are connected to an ac source through a key as shown in figure below. The key is closed and after sometime an iron rod is inserted into interior of inductor. The glow of light bulb

A sinusoidal voltage Vsin(at) is applied across a series combination of resistance R and inductor L. The amplitude of the current in the circuit is

An AC voltage is applied acrss a series combination of L and R . If the voltage drop across the resistor and inductor are 20 V and 15 V respectiely, then applied peak voltage is

An A.C. generator generating an e.m.f. of epsi= 300 sin (100 pi t)V is connected to a series combination of 16mu F capacitor, 1H inductor and 100Omega resistor. Calculate Power factor at resonant frequency f_(o)

An A.C. generator generating an e.m.f. of epsi= 300 sin (100 pi t)V is connected to a series combination of 16mu F capacitor, 1H inductor and 100Omega resistor. Calculate Impedance of the circuit at the given frequency

An A.C. generator generating an e.m.f. of epsi= 300 sin (100 pi t)V is connected to a series combination of 16mu F capacitor, 1H inductor and 100Omega resistor. Calculate Resonant frequency f_(o)

Derive an expression for the impedance of an a.c. circuit consisting of an inductor and a resistor.