34. The power of two electric bulbs is 60 watts and 100 watts respectively. Both operate at 220 volts. Their resistance ratio Will happen- [2018]

Two bulbs of 500 watt and 300 watt work on 200 volt r.m.s. the ratio of their resistances will be –

Three electric bulbs rated 40, 60 and 100 watts respectively are connected in parallel with 230 volts d.c. mains. The current (in amp) through the 60 W bulb and the effective resistance (in ohm) of the circuit will be respectively, approximately

Three electric bulbs rated 40, 60 and 100 watts respectively are connected in parallel with 230 volts d.c. mains. The current (in amp) through the 60 W bulb and the effective resistance (in ohm) of the circuit will be respectively, approximately

An electric bulb is rated 220 volt - 100 watt. The power consumed by it when operated on 110 volt will be

Two bulbs are rated 60 W, 220 V' and '60 W, 110 V respectively. Calculate the ratio of their resistances.

" If two electric bulbs have "40W" and "60W" rating at "220V" ,then the ratio of their resistances will be "

An electric bulb of 100 watt is connected to a supply of electricity of 220 V . Resistance of the filament is

An electric fan and a heater are marked as 100 watt 220 volts and 1000 watt 200 volts respectively. The resistance of heater is