A resistor 'R' and 2(mu)F capacitor in s...

A resistor 'R' and `2(mu)F` capacitor in series is connected through a switch to 200 V direct supply. A cross 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_(10) 2.5 = 0.4`)

`1.3xx10^(4) Omega`

`1.7 xx10^(5)Omega`

`2.7 xx 10^(6) Omega`

`3.3xx10^(7)Omega`

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