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A resistor ‘R’ and 2µF capacitor in series is connected through a switch to 200 V direct supply. Across the capacitor is a neon bulb that lights up at 120 V. Calculate the value of R to make the bulb light up 5 s after the switch has been closed. (log 2.5 0.4 10 = ) ??

A resistor ‘R’ and 2µF capacitor in series is connected through a switch to 200 V direct supply. Across
the capacitor is a neon bulb that lights up at 120 V. Calculate the value of R to make the bulb light up 5 s
after the switch has been closed. (log 2.5 0.4 10 = )
??

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
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Vikas TU
14149 Points
2 years ago
576-51_ddd.PNG
Dear student 
Please refer the clear image , 
The image above does not looks good , it is blurr.
Hope for the best 
Good Luck 
Cheers 

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