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[" 20.An AC supply gives "30V(" rms ")" ...

[" 20.An AC supply gives "30V_(" rms ")" which passes throuse "],[10Omega" resistance.The power dissipated in it is "],[[" (a) "90sqrt(2)W," (b) "90W],[" (c) "45sqrt(2)W," (d) "45W]]

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