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प्रश्न
A 50 Hz AC source of 20 volts is connected across R and C as shown in figure. The voltage across R is 12 volt. The voltage across c is ______.
पर्याय
8 V
16 V
10 V
Not possible to determine unless values of R and C are given.
MCQ
रिकाम्या जागा भरा
उत्तर
A 50 Hz AC source of 20 volts is connected across R and C as shown in figure. The voltage across R is 12 volt. The voltage across c is 16 V.
Explanation:
`"V"_"source"= sqrt("V"_"R"^2+"V"_"C"^2)`
`"V"_"C" = sqrt("V"_"source"^2-"V"_"R"^2)`
= `sqrt((20)^2-(12)^2)`
= 16 V
shaalaa.com
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