Alternating Current Part 1

Section: Physics
© examsiri.com
Question : 83 of 100
 
Marks: +1, -0
A resistor ‌′R′ and 2µF capacitor in series is connected through a switch to 200V direct supply. Across the capacitor is a neon bulb that lights up at 120V. Calculate the value of R to make the bulb light up 5s after the switch has been closed. (log102.5=0.4)
[AIEEE 2011]
Go to Question: