An electric bulb, a capacitor, a battery and a switch are all in series in a circuit. How does the intensity of light vary when the switch is turned on?

An electric bulb, a capacitor, a battery and a switch are all in serie

1.	An electric bulb, a capacitor, a battery and a switch are all in series in a circuit. How does the intensity of light vary when the switch is turned on?
Answer» Continues to increase gradually Gradually increases for some time and then becomes steady Sharply rises initially and then gradually DECREASES Gradually increases for some time and then gradually decreases Solution :Time constant of circuit = CR MAXIMUM charge on capacitor = `C xx epsi ` HENCE equations of charge and current are as given below. `q= epsi[1- e^(-t//RC)]` ` i= ( dq )/( d t) = ( epsi)/(R) e^(-t //RC )` ` :. ` intensityof light` propI^2R.`

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An electric bulb, a capacitor, a battery and a switch are all in series in a circuit. How does the intensity of light vary when the switch is turned on?

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