If a `30 V, 90 W` bulb is to be worked on a `120 V` line, resistance of how many ohms should be connected in series with the bulb

If a 30 V, 90 W bulb is to be worked in 120 V line, the resistance to be connected in series with the bulb is

If a 30 V, 90 W bulb is to be worked in 120 V line, the resistance to be counnected in series with the bulb is

A 30 V . 90 W lamp is to be operated on a 120 V d.e. line for proper glow, a resistor of .. Omega should be connected in series with the lamp

A 30 V, 90 W lamp is to be perated on a 120 V D.C. line. For proper glow, a resistor of ………….. ohm should be connected in series with the lamp.

A 30V, 40 w lamp is to be operated on a 120 V DC lines. For proper glows, how much resistance in Omega should be connected in series with the lamp?

A 30V, 40 w lamp is to be operated on a 120 V DC lines. For proper glows, how much resistance in Omega should be connected in series with the lamp?

A bulb 60V- 120W is connectd to 220 VDC line what reistance should be connected so that the bulb will glow bright?

A filament bulb (500 W, 100 V) is to be used in a 230 V main supply. When a resistance R is connected in series, it works perfectly and the bulb consumers 500 W . The value of R is

A filament bulb (500 W, 100 V) is to be used in a 230 V main supply. When a resistance R is connected in series, it works perfectly and the bulb consumers 500 W . The value of R is