A.\(\dfrac{1}{4}\)B.\(\sqrt 3 \)C.\(\dfrac{{\sqrt 3 }}{6}\)D.\(\dfrac{{\sqrt 3 }}{3}\)
A.3B.\( - 5\)C.25D.1
A.B.C.D.
A.6B.4C.8D.15
A.5,418B.5,184C.8,154D.8,514
A.120VB.\(60\sqrt 3 V\)C.90VD.\(60\sqrt 2 V\)
A. 45 B.21 C.36 D.42
A.20B.25C.30D.35
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