In an ac circuit with voltage V and current I, the power dissipated is

V I

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\frac{1}{2} V I

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\frac{1}{\sqrt{2}} V I

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D e p e n d s o n t h e p h a s e b e t w e e n V a n d I

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Solution

The correct option is D $D e p e n d s o n t h e p h a s e b e t w e e n V a n d I$
$∵ P = V i c o s ϕ, ∴ P \propto c o s ϕ$

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