An electric bulb and a capacitor are connected in series with an AC source. On increasing the frequency of the source, the brightness of the bulb:
An electric bulb and a capacitor are connected in series with an AC source. On increasing the frequency of the source, the brightness of the bulb:
Option 1 -
Remains same
Option 2 -
Increases
Option 3 -
Decreases
Option 4 -
First increases then decreases
Asked by Shiksha User
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1 Answer
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Correct Option - 2
Detailed Solution:XC = 1/ ωC
On increasing w; XC decreases so Z decreases, current in circuit increases.
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