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 bulbA. 10 ohmB. 20 ohmC. 30 ohmD. 40 ohm

If a `30 V, 90 W` bulb is to be worked on a `120 V` line, resistance o

1.	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 bulbA. 10 ohmB. 20 ohmC. 30 ohmD. 40 ohm
Answer» Correct Answer - C

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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 bulbA. 10 ohmB. 20 ohmC. 30 ohmD. 40 ohm

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