[" 9.For an AC given by "I=50cos(100t+45...

[" 9.For an AC given by "I=50cos(100t+45^(@))" A.The value of "I_(rms)=........" A."],[[" (A) "50sqrt(2)," (B) "25sqrt(2)," (C) "25," (D) Zero "]]

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