Question

a bulb rated 100 watt 120 volt is connected across a 120 volt source find the current in the bulb and power consumed by it ​

Answer 1

As it mentioned

• 100W/120V

So

power is 100W

Now

Current be I

`\\ \rm\rightarrowtail I=(P)/(V)=(100)/(120)=(5)/(6)=0.8A`