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A `30 mu F` capacitor is connected to a 150 V, 60 Hz ac supply. The rms value of current in the circuit isA. 17 AB. `1.7 A`C. `1.7 mA`D. `2.7 A` |
Answer» Correct Answer - B Here, `C = 30xx10^(-6)F, V_("rms")=150V, upsilon = 60 Hz` Capacitive reactance `X_(C )=(1)/(omega C)=(1)/(2pi upsilon C)=88.46 Omega` `I_("rms")=(V_("rms"))/(X_(C ))=(150)/(88.46)=1.7 A` |
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