Twenty electric bulbs are connected in series. If one bulb gets fused suddenly and the circuit is reconnected, then find the percentage change in illumination of each bulb.

Ten 60 W, 220 V bulbs are connected in series to 220 V supply . Power consumed in the circuit is

40 electric bulb are connected in series across a 220 V supply. After one bulb is fused the remaining 39 are connected again in series across the same supply. The illumination will be

Some electric bulbs are connected in series across a 220 V supply in a room. If one bulb is fused then remaining bulbs are connected again in series across the same supply. The illumination in the room will

Two bulbs, when connected in series, are brighter than a single bulb.

3 identical bulbs are connected in series and these together dissipate a power P . If now the bulbs are connected in parallel, then the power dissipated will be

Figure shows three idenetical bulbs A,B and C connected to a battery of supply voltage V. When the switch S is closed, discuss the change is . (a) The illumination of the three bulbs (b) The power dissipated in the circuit .

Two electric bulbs (60 W and 100 W respectively) are connected in series. The current passing through them is

n identical bulbs are connected in series and illuminated by a power supply . One of the bulbs gets fused. The fused bulb is removed , and the remaining bulbs are again illuminated by the same power supply. Find the fractional change in the illuminated of (a) all the bulbs and (b) one bulb.

An electric bulb and a capacitor are connected in series with an AC source.On increasing the freqency of the source, the brightness of the bulb

An air core coil and an electric bulb are connected in series with an AC source. If an iron rod is put in the coil, then the intensity of light of the bulb will