$100\text{ W}$ रेटेड एक प्रकाश बल्ब $220\text{ V}$, $50\text{ Hz}$ के $AC$ स्रोत से जुड़ा है। बल्ब से प्रवाहित होने वाली $rms$ धारा है: (in $text{ A}$)
- A$0.454$
- B$0.545$
- C$2.20$
- D$0.22$
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Similar Questions
The peak value of an alternating current is $5 \ A$ and its frequency is $60 \ Hz$. Find its $rms$ value and the time taken to reach the peak value of current starting from zero.
An alternating e.m.f. is $e = e_0 \sin \omega t$. In what time will the e.m.f. reach half its maximum value,if $e$ starts from zero? ($T$ = time period)
An alternating e.m.f. is given by $e = e_0 \sin \omega t$. In what time will the e.m.f. reach half its maximum value, if $e$ starts from zero?
DifficultMHT CET 2026
View SolutionAn alternating voltage is given by: $e = e_1 \sin \omega t + e_2 \cos \omega t$. Then the root mean square $(RMS)$ value of the voltage is given by:
Medium
View SolutionFind the time required for a $50 \text{ Hz}$ alternating current to reach its $rms$ value from zero. (in $\text{ ms}$)
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