An AC voltage source of variable angular frequency `omega` and fixed amplitude `V_0` is connected in series with a capacitance C and electric bulb of resistance R (inductance zero). when `omega` is increased
`a)` the bulb glows dimmer
`b)` the bulb glows brighter
`c)` total impedance of circuit is unchanged
`d)` total impedance of circuit increase

An AC voltage source of variable angular frequency (omega) and fixed amplitude V_(0) is connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When (omega) is increased

An AC voltage source of variable angular frequency (omega) and fixed amplitude V_(0) is connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When (omega) is increased

An alternating voltage, of angular frequency omega is induced in electric circuit consistin of inductance L and capacitance C, connected in parallel. Then across the inductance coil

An electric bulb rated 220 V and 60 W is connected in series with another electric bulb rated 220 V and 40 W . The combination is connected across a source of emf 220 V . Which bulb will glow more?

In a series LCR circuit, operated with an ac of angular frequency omega , the total impedance is

The current in a circuit containing a capacitance C and a resistance R in series leads over the applied voltage of frequency omega/(2pi) by.

A bulb and a conender are connected in series with an A.C source. On increasing the frequency of the source its brightness will

A coil of inductance 0.20 H is connected in series with a switch and a cell of emf 1.6 V . The total resistance of the circuit is 4.0 Omega . What is the initial rate of growth of the current when the switch is closed?

If resistance R =100 Omega, inductance L = 12mH and capacitance C=15muF are connected in series to an AC sources, then at resonance the impedance of circuit is

An AC voltage source is applied across an R-C circuit. Angular frequency of the source is omega , resistance is R and capacitance is C. The current registered is I. If now the frequency of source is changed to omega/2 (but maintaining the same voltage), the current in the circuit is found to be two third. calculate the ratio of reactance to resistance at the original frequency omega .