An ac source of emf `V=V_0 sin omegat` is connected to a capacitor of capacitance C. Deduce the expression for the current (I) flowing in it. Plot the graph of (i) `V vs. omegat`,and (ii) `I vs. omegat`

An a.c., source of emf epsi= 200 sin omega t is connected to a resistor of 50Omega . Calculate: Average current (I_(avg))

An AC source producing emf V=V_(0) [sin omega t+sin 2 omega t] is connected in series with a capacitor and a resistor. The current found in the circuit is i=i1sin 'omega' t +fi 1

A small signal voltage V(t)=V_(0)sin omegat is applied across an ideal capacitor C :

An AC source is connected to a capacitor. The current in the current is I. Now a dielectric slab is inserted into the capacitor , then the new current is

An AC voltage source V=V_0sinomegat is connected across resistance R and capacitance C as shown in figure. It is given that omegaC=1/R . The peak current is I_0 . If the angular frequency of the voltage source is changed to omega/sqrt3, then the new peak current in the circuit is .

An inductor coil joined to a 6 V battery draws a steady current of 12 A . This coil is connected to a capacitor and an AC source of rms voltage 6 V in series. If the current in the circuit is in phase with the emf, find the rms current.

A 5mu F capacitor is connected to a 200 V, 100 Hz ac source. The capacitive reactance is

A capacitor of capacitance C is charged to a potential difference V_(0) . The charged battery is disconnected and the capacitor is connected to a capacitor of unknown capacitance C_(x) . The potential difference across the combination is V. The value of C_(x) should be

A 100W bulb is connected to an AC source of 220V , 50Hz . Then the current flowing through the bulb is

A square loop of side 'a' with a capacitor of capacitance C is located between two current carrying long parallel wires as shown. The value of I in the wires in given as I=(I_0) sin omega t . (a) Calculate maximum current in the square loop. (b) Draw a graph between charges on the upper plates of the capacitor vs time.