A device Y is connected across an AC source of emf e =`e_osinomegat`.the current through y is given as i =`i _osin(omegat+(pi/2))`:-How doesthe reactance of the device Y vary with the frequency of the AC? Show graphically.

A device Y is connected across an AC source of emf e = e_osinomegat .the current through y is given as i = i _osin(omegat+(pi/2)) :-Draw the phasor diagram for the device Y.

A device Y is connected across an AC source of emf e = e_osinomegat .the current through y is given as i = i _osin(omegat+(pi/2)) :-Identify the device Y and write the expression for its reactance.

A device Y is connected across an AC source of emf e = e_osinomegat .the current through y is given as i = i _osin(omegat+(pi/2)) :-Draw graphs showinh variation of emf and current with time over one cycle of AC for Y.

A capacitor of 2 muF is connected to an AC source of emf e = 250 sin 100 pit . Write an equation for instantaneous current through the circuit and give reading of AC ammeter connected in the circuit.

A 25 muF capacitor, a 0.10 H inductor and a 25 Omega resistor are connected in series with a AC source whose emf is given by e = 310 sin 314 t (volt). What is the frequency, reactance, impedance, current and phase angle of the circuit?

An AC source generating a voltage e = e_0 sin omega t is connected to a capacitor of capacitance C. Find the expression for the current i flowing through it. Plot a graph of e and i versus omega t .

If a current I given by I_o sin (omega-pi/2) flowsin an ac circuit across which an potential of e= e_0sin omegat has been applied, then the power consumption P in the circuit will be.

An A.C. circuit of maximum e.m.f. 100 volt and of frequency 50 Hz contains an inductance of 0.2 mH. What is the inductive reactance of the circuit? What is the maximum current in the circuit?